Where in the cell are proteins made? Which part of a cell controls its activities? ribosomes. nucleus Where in the cell do chemical reactions occur?

Size: px
Start display at page:

Download "Where in the cell are proteins made? Which part of a cell controls its activities? ribosomes. nucleus Where in the cell do chemical reactions occur?"

Transcription

1 Which part of a cell controls its activities? nucleus Where in the cell do chemical reactions occur? cytoplasm Which part of a cell controls what goes in and out? membrane Where in the cell is energy released during respiration? Where in the cell are proteins made? ribosomes What is found inside a plant vacuole? Cell sap Which part of a plant cell contains chlorophyll to absorb sunlight for photosynthesis? Chloroplast Name 3 features found in plant and animal cells. mitochondria Name 3 parts of a plant cell, not found in an animal cell. Membrane, cytoplasm, nucleus Name 2 features of a plant cell which are also found in a bacterium. Wall/ chloroplast/vacuole Name a feature found in both plant and animal cells, but which is never found in bacteria. Nucleus (or mitochondria) How do dissolved substances move into and out of cells? diffusion By which process does oxygen enter cells? Diffusion Which term is used to describe a group of tissues which work together? organ 2 from: Wall/cytoplasm/membrane Name 3 parts found in a yeast cell. Nucleus/membrane/cytoplasm/wall Complete the gaps. During diffusion particles always move from a concentration to a concentration. High(er) / low(er) Which term is used to describe a group of similar cells which work together? tissue Which D describes what happens to cells as they become specialised to perform specific functions. Differentiated.

2 Cell tissues and organs PAGE 2 Which type of tissue churns and mixes food in the stomach? Which type of tissue produces digestive juices in the stomach? muscle Which type of tissue covers the inside and outside of the stomach? epithelial Name 2 places in the gut where digestion occurs? glandular Where is bile made? Liver Where in the gut does absorption of soluble food occur? Stomach + small intestine Where in the gut is water absorbed? Small intestine Where in the gut do faeces form? Large intestine What is in saliva made by salivary glands? digestive enzymes/juices/amylase Where are bile and pancreatic juice added to our food? Large intestine What is in pancreatic juice made by the pancreas? digestive enzymes/juices (amylase, lipase+ protease) Stems, roots and leaves are all examples of what? Small intestine Which type of tissue covers the outside of a plant? Plant organs Which type of plant leaf tissue carries out photosynthesis? Epidermal Which type of plant tissue transports sugars? mesophyll Which type of plant tissue transports water? phloem What is the role of the cell wall? xylem Support

3 Y11 photosynthesis B 2.3 Name the products of photosynthesis. Name the reactants of photosynthesis. Glucose + oxygen What is the role of chlorophyll? Carbon dioxide + water Where in a plant cell is chlorophyll located? Absorb light energy Where do plants get the carbon dioxide they need? Inside chloroplasts By which process does carbon dioxide enter plant cells? air Name 3 factors which may limit the rate of photosynthesis? Low Light/low temperature/carbon dioxide Is starch soluble or insoluble? insoluble Which part of a plant cell contains cellulose? diffusion What is glucose converted into for storage inside plant cells? starch Name 3 uses of glucose in plants after it is made during photosynthesis. Respiration/fat or oils/proteins/cellulose Which ions do plants need from the soil in order to make proteins? Cell wall Which part of a variegated leaf will contain starch? Green areas (with chlorophyll) What happens to enzymes if temperatures are too high? They denature nitrate Which technique involves growing plants in water/nutrient solution instead of soil? Hydroponics Why does photosynthesis get faster if temperatures rise from 20 to 30 C? Particles/enzymes move faster making more collisions

4 Y11 B 2.5: Proteins What links together to make proteins? Amino acids Why are enzymes catalysts? These speed up chemical reactions (but are not used up) What happens to a protein when it gets too hot? Loses its specific shape/denatures breakdown of large food molecules into small ones? Digestion Which reaction does the enzyme amylase catalyse? Starch digestion (starch sugar) Where in the body is starch digested? Mouth and small intestine. What is made when proteins are digested? Amino acids Where does starch digestion begin? Give 3 different general uses of proteins. Hormones. Antibodies. Catalysts (or enzymes). Structural What are all enzymes made from? Proteins What ph conditions do the protease enzymes in the stomach work best in? Acidic (approx ph 2) Name the 3 places in the body where the enzyme amylase is made. Salivary glands. Pancreas. Small intestine. What is made when starch is digested? Glucose/sugar Which reaction do protease enzymes catalyse? Protein digestion (Protein amino acids) Where in the body is protease made? Pancreas, Small intestine and stomach Where does protein digestion begin? Mouth Where in the body is protein digested? Stomach and small intestine Stomach Which reaction does the enzyme lipase catalyse? lipid digestion (lipid fatty acid + glycerol)

5 Where in the body is lipase made? Where does lipid digestion occur? Pancreas and small intestine What is made when lipid is digested? Fatty acids + glycerol Where is bile made? Small intestine Give two roles of stomach acid. Kills pathogens Makes optimum ph for protease Where is bile stored? Liver What effect does bile have on fats/lipids? Emulsifies them (makes small droplets with a large surface area) Is bile an acidic, alkaline or neutral substance? Alkaline Which G describes where specialised cells produce digestive enzymes? Glands What is in biological detergent which makes it better than standard detergent? Enzymes Why are enzymes useful in biological detergents? Digest protein + lipid to remove stains Which enzymes are used in industry to help make baby foods? proteases Which enzyme is used in industry to convert glucose syrup into fructose syrup? Isomerase Give one disadvantage of using enzymes in industry. Denature at high temperatures OR Costly to purify/produce Gall bladder What effect does bile have on food entering the small intestine? Neutralises it (the stomach acid) What ph conditions do the enzymes in the small intestine work best in? Alkaline (approx ph 7.5-8) What is the source of most enzymes used in industry? Microorganisms Which types of enzymes are most commonly used in biological detergents? Lipases and proteases How can biological detergents save energy in the home? By working at lower temperatures Which group of enzymes are used in industry to convert starch into sugar syrup? carbohydrases Why does fructose replace glucose in some slimming products? It s sweeter, so smaller amounts are needed. What is the main advantage to using enzymes in industry? Save energy by catalysing reactions at lower temperatures and pressures.

6 B2.6 Respiration Which type of respiration needs oxygen? Which type of respiration occurs without oxygen? aerobic What controls the speed of chemical reactions like respiration inside cells? Enzymes Where does respiration occur... a) In animals b) In plants c) In plants + animals Inside which organelle of the cell does aerobic respiration occur? anaerobic What is the word equation for aerobic respiration? Glucose + oxygen carbon dioxide + water (+ energy) What is the word equation for anaerobic respiration in muscles? Glucose lactic acid (+ energy) When does respiration occur in plants and animals? Mitochondrion/mitochondria (plural) Energy from respiration is used by animals to help muscles do what? Contract Energy from respiration is used by animals and plants to build large proteins from small molecules called what? Amino acids How does your breathing change during exercise? Breathing rate gets faster and deeper Give 2 benefits of increased breathing rate during exercise. More oxygen for more respiration Faster removal of carbon dioxide What happens to glycogen in muscles during exercise? Broken down into glucose Which type of respiration releases least energy? Anaerobic What happens to lactic acid made during anaerobic respiration? Gets oxidised into carbon dioxide + water. (lactic acid+ oxygen carbon dioxide + water) Continuously/24 hours Energy from respiration is used by mammals and birds to help keep what constant? (Body) temperature Plants use energy from respiration and sugars from photosynthesis to make amino acids using which mineral ion? nitrates How does your heart rate change in response to exercise? It increases Name the molecule used to store energy in muscles. Glycogen Name 2 molecules that will be delivered by respiring muscles faster during exercise. Glucose+ oxygen need for oxygen which builds up during anaerobic exercise? Oxygen debt Which f describes the effect of vigorous activity on muscles? fatigue

7 What is the cause of the aches and cramps that can occur during anaerobic respiration? Lactic acid How does massage help to relieve muscle cramp? Increases blood flow, removing lactic acid to the liver to be oxidised. B 2.4: Organisms and the environment Name 3 physical factors that affect the distribution of organisms. Temperature/light/water/ nutrients/oxygen/carbon dioxide Why is it important to sample plants randomly? Avoid bias Which non-random sampling technique is used to sample the change in organisms between two points? transect How can you help to make data more reliable? Repeat readings, remove anomalies and calculate the mean. Name the piece of equipment used to sample plants. Quadrat How do you make sure quadrats are placed at random? Use 2 tapes to make a grid, then use random numbers as coordinates. middle value in a range of numbers? median most frequent value in a range of numbers? mode 2.8 Speciation remains of organisms from many years ago, often found in rocks? fossils What has caused the fossils of many early organisms to be destroyed? Geological activity/ igneous or metamorphic rock formation What are the 3 main conditions needed for decay? Oxygen, warmth, moisture Give 3 ways by which extinction may take place. New predators/new diseases/new competitors/changes in the environment over long time/meteor strike or massive volcano Why were many early life forms not suitable for fossil formation? They were soft bodied so decayed. What is extinction? The disappearance of all organisms of a species. Give an example of a single catastrophic event which may lead to extinction. Asteroid collision/massive volcanic eruption formation of new species? speciation

8 B 2.7 cell division Name the type of cell division which produces new body cells. Spell mitosis. Mitosis Where are chromosomes found? Inside the nucleus How many cells are made during mitosis? Describe what happens to the chromosomes/dna inside a cell before the cell divides. Chromosomes/DNA replicate How many sets of chromosomes are inside each body cell of any organism? 2 How many sets of chromosomes are inside each sex cell from any organism? One set What are the two main uses of cells made by mitosis? Two sets (one from each parent) Which g is a term used for sex cells? gametes Which type of cell division is used to make sex cells? Growth + repair (replacement cells) Spell meiosis. Meiosis How many cells are made during meiosis? Where in humans does meiosis occur? Four How many times does a cell divide during meiosis? Testes and ovaries Name the process which takes place when gametes join or fuse. Fertilisation Stem cells may be used to treat paralysis. Which type of cells will stem cells differentiate into to help paralysed patients? Nerve + muscle What is the controversial source of human stem cells able to differentiate into any type of human cell? Human embryos Twice Which type of cells is able to differentiate into many different cell types? Stem cells By which type of cell division produces new cells for offspring made by asexual reproduction? mitosis Which source of adult human stem cells has been used for many years to treat some forms of leukaemia. Adult bone marrow

9 B 2.7 Continued. Inheritance Who proposed the idea of separately inherited factors passed on from one generation to the next? Mendel appearance or characteristics of an organism due to the expression of its genes? phenotype Which term is used to describe an organism with two identical alleles for a characteristic (eg DD or dd)? Homozygous Which term is used to describe an allele which is always expressed, even if only one copy is present? Dominant Which type of reproduction leads to variation? Which term is used to describe an organism containing two different alleles for a characteristic (eg Tt) Heterozygous Which term is used to describe different forms of the same gene? alleles Which g is used to describe the genetic makeup of an organism regarding a particular characteristic (eg Dd or dd) genotype Which term is used to describe an allele which must be present on both chromosomes if its characteristic is expressed? Recessive. How many pairs of chromosomes are there in each human body cell? Sexual Which combination of sex chromosomes is found in the cells of a female? XX Which large molecule makes up a chromosome? DNA The DNA of each gene acts as a genetic code. Which types of molecules are made using this code? Proteins/enzymes Which genetic disorder results in people having extra fingers or toes? Polydactyly What is the main symptom of cystic fibrosis? Thick sticky mucus in lungs The parents of someone with cystic fibrosis may not have the disease. How is this possible? Parents are (symptomless) carriers/ heterozygous, only have 1 recessive cf allele 23 Which combination of sex chromosomes is found in the cells of a male? XY Which term is used to describe a small section of a chromosome which codes for a characteristic? gene Which process is used to identify differences between people s individual DNA? DNA fingerprinting Someone will inherit polydactyly even if only one of their parents has the disease. What does this indicate about the disease causing allele? It s a dominant allele Someone will inherit cystic fibrosis only if they receive a disease causing allele from both parents. What does this indicate about the disease causing allele? It s a recessive allele How can doctors help carriers of cystic fibrosis avoid having children with the disease? Screen embryos

10

B2.1 Cells and simple cell transport. B2.2 Tissues, organs and organ systems

B2.1 Cells and simple cell transport. B2.2 Tissues, organs and organ systems B2.1.1 Cells and simple cell transport B2.1 Cells and simple cell transport Know that most human and animal cells have the following parts: a nucleus, which controls the activities of the cell; cytoplasm,

More information

What is the function of ribosomes? Draw and label a Bacteria cell.

What is the function of ribosomes? Draw and label a Bacteria cell. Q1 Q2 Q3 What does the mitochondria do? What is the function of ribosomes? What is the function of the cell wall? Q4 Q5 Q6 What is the function of cell membranes? What is diffusion? What is found in plant

More information

Animal cells: label the main parts. Plant and algal cells: label the parts Cell wall. Cell membrane. Cytoplasm. nucleus. mitochondrion.

Animal cells: label the main parts. Plant and algal cells: label the parts Cell wall. Cell membrane. Cytoplasm. nucleus. mitochondrion. B2 Cells and simple transport: Part 1: cell, ribosomes, respiration, chemical reactions, protein, nucleus, cell membrane, chloroplasts, cell wall, mitochondrion, vacuole, photosynthesis, chlorophyll, sap,

More information

B2 Cells and simple transport

B2 Cells and simple transport B2 Cells and simple transport What are the parts of most human and animal cells? Nucleus, cell membrane, cytoplasm, mitochondria, ribosomes What is yeast? A single celled organism made of cytoplasm, nucleus,

More information

Year 10A2 10A7. Success criteria for all assessments (assessments will be every 6 weeks): A* = 90% + A = 80 89% B = 70 79% C = 60 69% D = 50 59%

Year 10A2 10A7. Success criteria for all assessments (assessments will be every 6 weeks): A* = 90% + A = 80 89% B = 70 79% C = 60 69% D = 50 59% Year 10A2 10A7 Success criteria for all assessments (assessments will be every 6 weeks): A* = 90% + A = 80 89% B = 70 79% C = 60 69% D = 50 59% E = 40 49% Note: assessments are linear. For example, the

More information

AQA GCSE Biology New Unit 2 Summary Notes

AQA GCSE Biology New Unit 2 Summary Notes AQA GCSE Biology New Unit 2 Summary Notes Page 1 B2.1 Cells and Cell Structures Summary All living things are made up of cells. The structures of different types of cells are related to their functions.

More information

B2 Revision Pack Please keep this pack with you

B2 Revision Pack Please keep this pack with you Name: B2 Revision Pack Please keep this pack with you Follow all the steps below... 1) Practice all the maths questions (10%+ of the exam is maths!) Maths and Science Skills Questions Foundation Questions

More information

Surname. Other Names. Candidate Signature

Surname. Other Names. Candidate Signature A Surname Other Names Centre Number For Examiner s Use Candidate Number Candidate Signature Additional Science Unit Biology B2 Biology Unit Biology B2 BL2FP General Certificate of Secondary Education Foundation

More information

Proteins their functions and uses revision 4

Proteins their functions and uses revision 4 Proteins their functions and uses revision 4 48 minutes 48 marks Page of 4 Q. The diagram shows the digestive system. (a) Complete the following sentences about digestive enzymes. (i) Amylase works in

More information

2. Complete this table to give the function of the following organelles:

2. Complete this table to give the function of the following organelles: 1. Label these diagrams of cells: 2. Complete this table to give the function of the following organelles: Organelle Cell Membrane Cell Wall Chloroplast Mitochondria Vacuole 3. State 2 differences between

More information

The two pie-charts show the percentages of different gases in each. Complete the second pie-chart, using the information from the table.

The two pie-charts show the percentages of different gases in each. Complete the second pie-chart, using the information from the table. Biology B2 Foundation Questions Q1. (a) Breathed-out air is different from breathed-in air. The two pie-charts show the percentages of different gases in each. Complete the second pie-chart, using the

More information

Stem cells. Stem cells can be found in embryos, in adult animals and in the meristems in plants.

Stem cells. Stem cells can be found in embryos, in adult animals and in the meristems in plants. Stem cells A stem cell is an undifferentiated cell of an organism which can produce more cells of the same type. Certain other cells can arise from stem cells when they differentiate. Stem cells can be

More information

Cells. Dissolved substances pass into and out of cells by diffusion. Water passes into and out of cells by osmosis.

Cells. Dissolved substances pass into and out of cells by diffusion. Water passes into and out of cells by osmosis. Biology Cells All animals and plants are made of cells. Animal cells and plant cells have features in common, such as nucleus, cytoplasm, cell membrane, mitochondria and ribosomes. Plant cells also have

More information

Proteins their functions and uses revision 3

Proteins their functions and uses revision 3 Proteins their functions and uses revision 3 59 minutes 59 marks Page of 23 Q. The diagram gives information about some parts of the human digestive system. (a) (i) Name the organ which makes bile. Label

More information

B2.5 Proteins and Enzymes Home Learning Pack. Due for 2 nd September (whether we have a lesson or not!) Name: Target Grade: Grade:

B2.5 Proteins and Enzymes Home Learning Pack. Due for 2 nd September (whether we have a lesson or not!) Name: Target Grade: Grade: B2.5 Proteins and Enzymes Home Learning Pack Due for 2 nd September (whether we have a lesson or not!) Name: Target Grade: Grade: Heya, Your task over the summer is to teach this topic to yourself. You

More information

GCSE ADDITIONAL SCIENCE / BIOLOGY

GCSE ADDITIONAL SCIENCE / BIOLOGY GCSE ADDITIONAL SCIENCE / BIOLOGY BL2HP Report on the Examination 4408 / 4401 June 2013 Version: 1.0 Further copies of this Report are available from aqa.org.uk Copyright 2013 AQA and its licensors. All

More information

(a) (i) Structures A and B are found in both the animal cell and the bacterial cell. B... (2)

(a) (i) Structures A and B are found in both the animal cell and the bacterial cell. B... (2) 1 The diagrams show an animal cell and a bacterial cell. (a) (i) Structures A and B are found in both the animal cell and the bacterial cell. Use words from the box to name structures A and B. cell membrane

More information

MARK SCHEME for the October/November 2012 series 5090 BIOLOGY. 5090/21 Paper 2 (Theory), maximum raw mark 80

MARK SCHEME for the October/November 2012 series 5090 BIOLOGY. 5090/21 Paper 2 (Theory), maximum raw mark 80 CAMBRIDGE INTERNATIONAL EXAMINATIONS GCE Ordinary Level MARK SCHEME for the October/November 2012 series 5090 BIOLOGY 5090/21 Paper 2 (Theory), maximum raw mark 80 This mark scheme is published as an aid

More information

Exam questions and answers

Exam questions and answers B2 Exam questions and answers Topic you need to know about: Chapter 1: cells, tissues and organs Chapter 2: organisms in the environment Chapter 3: enzymes Chapter 4: energy from respiration Chapter 5:

More information

A summary of topics for 3 rd Year igcse Biology

A summary of topics for 3 rd Year igcse Biology A summary of topics for 3 rd Year igcse Biology Practical work shown in bold is included in the specification Teachers can also include other practical work to support their teaching Third Year Topics

More information

A level Biology Preparation Work

A level Biology Preparation Work A level Biology Preparation Work Topic Completed Score 1. Cells /26 2. Mammalian circulatory system /16 3. Transport and Exchange /22 4. Genetics /20 5. Evolution /16 6. Enzymes /17 1. Cells Units of measurement

More information

The human digestive system

The human digestive system Cells A tissue Organs Organ systems Principles of organisation The basic building blocks of all living organisms. A group of cells with similar structure and function. Groups of tissues performing specific

More information

NCERT SOLUTIONS OF Life Processes

NCERT SOLUTIONS OF Life Processes 1 NCERT SOLUTIONS OF Life Processes Question 1: Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Answer: The body structure of multicellular organism

More information

Exampro GCSE Biology. B2.1 Cells. Name: Class: Foundation tier. Author: Date: Time: 81. Marks: 81. Comments: Page 1 of 27

Exampro GCSE Biology. B2.1 Cells. Name: Class: Foundation tier. Author: Date: Time: 81. Marks: 81. Comments: Page 1 of 27 Exampro GCSE Biology B2. Cells Foundation tier Name: Class: Author: Date: Time: 8 Marks: 8 Comments: Page of 27 Q. Diabetes is a disease in which the concentration of glucose in a person s blood may rise

More information

CELL STRUCTURE / QUESTIONS. Q1. Figure 1 shows an animal cell. Figure 1. alex-mit/istock/thinkstock. (a) What is structure A? Tick one box.

CELL STRUCTURE / QUESTIONS. Q1. Figure 1 shows an animal cell. Figure 1. alex-mit/istock/thinkstock. (a) What is structure A? Tick one box. CELL STRUCTURE / QUESTIONS Q1. Figure 1 shows an animal cell. Figure 1 alex-mit/istock/thinkstock (a) What is structure A? Tick one box. Cell membrane Cell wall Chromosome Cytoplasm What is structure B?

More information

Year 10 Biology Revision List - COMBINED

Year 10 Biology Revision List - COMBINED Year 10 Biology Revision List - COMBINED This is a summary of everything you need to know for the Biology part of your Combined science GCSE for your exam on 8 th March 2019. 9 Cells and Simple Cell Transport

More information

17. What are lipids made from? Fatty acids and glycerol 18. What are proteins used in the body for? (What is their function?) Growth and repair 19.

17. What are lipids made from? Fatty acids and glycerol 18. What are proteins used in the body for? (What is their function?) Growth and repair 19. 100 Facts Biology 1. What is a eukaryote? A plant or animal cell that have a membrane and a nucleus 2. What five things do most animal cells contain? Nucleus, cytoplasm, cell membrane, ribosomes, mitochondria

More information

Organisation. AQA Biology topic 2

Organisation. AQA Biology topic 2 Organisation AQA Biology topic 2 2.1 Principles of Organisation Cells, tissues, organs and systems Basically, all living things are made up of cells A group of CELLS makes up a TISSUE A group of TISSUES

More information

Name: Enzymes. Class: Date: 101 minutes. Time: 100 marks. Marks: Level 1,2 and 3. Increasing demand. Comments:

Name: Enzymes. Class: Date: 101 minutes. Time: 100 marks. Marks: Level 1,2 and 3. Increasing demand. Comments: Enzymes Name: Class: Date: Time: 0 minutes Marks: 00 marks Comments: Level,2 and 3. Increasing demand Q. Catalase is an enzyme. Catalase controls the following reaction: hydrogen peroxide water + oxygen

More information

Q1. We use enzymes in industry. These are some of the properties of enzymes:

Q1. We use enzymes in industry. These are some of the properties of enzymes: Q1. We use enzymes in industry. These are some of the properties of enzymes: they work at low temperatures and this can save energy they work at atmospheric pressures and therefore use less expensive equipment

More information

OCR (A) Biology GCSE. Topic 1: Cell Level Systems

OCR (A) Biology GCSE. Topic 1: Cell Level Systems OCR (A) Biology GCSE Topic 1: Cell Level Systems Notes (Content in bold is for higher tier only) Cell structures Microscopes (1.1a and c) Light (optical) microscopes The specimen is placed onto a slide,

More information

Do Now Makeups. 4. In which organelle would water and dissolved materials be stored? A. 1 B. 2 C. 3 D. 5. A. mitochondria B.

Do Now Makeups. 4. In which organelle would water and dissolved materials be stored? A. 1 B. 2 C. 3 D. 5. A. mitochondria B. Do Now Makeups Name: Date: 1. Which organelle is primarily concerned with the conversion of potential energy of organic compounds into suitable form for immediate use by the cell? A. mitochondria B. centrosomes

More information

There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 C.

There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 C. There are enzymes in biological washing powders. Biological washing powder has to be used at temperatures below 45 C. The enzymes in biological washing powders do not work on the stains on clothes at temperatures

More information

GCSE Additional Science / Biology

GCSE Additional Science / Biology GCSE Additional Science / Biology BL2FP Report on the Examination 4408 / 4401 June 2015 Version: 1.0 Further copies of this Report are available from aqa.org.uk Copyright 2015 AQA and its licensors. All

More information

The diagram below shows the parts of the body that digest and absorb food.

The diagram below shows the parts of the body that digest and absorb food. The diagram below shows the parts of the body that digest and absorb food. It also shows some details about the structure of the stomach. (a) Complete the table to show whether each structure is an organ,

More information

KS3 Science Assessment Framework: Year 7 Cells September 2015

KS3 Science Assessment Framework: Year 7 Cells September 2015 Assessment date Duration Learning Objectives Success criteria Misconceptions and Barriers to learning Working Scientifically Skill development Compulsory Practical Investigations Autumn 1 1 To identify

More information

B4 NUTRITION 4.3 Animal Nutrition

B4 NUTRITION 4.3 Animal Nutrition B4 NUTRITION 4.3 Animal Nutrition 1. State the term balanced diet & describe how balanced diet is related to age, sex & activity of an individual. Balanced diet: A diet that contains all the main nutrients

More information

Digestion. I. What is digestion? II. Enzymes involved in digestion

Digestion. I. What is digestion? II. Enzymes involved in digestion Digestion I. What is digestion? Digestion is the breakdown of large, insoluble food molecules into small, soluble food molecules so that they can be absorbed into the bloodstream. Large food molecules

More information

Year 9 AQA GCSE Biology Revision Checklist

Year 9 AQA GCSE Biology Revision Checklist Year 9 AQA GCSE Biology Revision Checklist Use this booklet to help you with your revision in preparation for your year 9 Biology exam and final examinations. This is the work that you will have covered

More information

The human digestive system

The human digestive system Cells A tissue Organs Organ systems Principles of organisation The basic building blocks of all living organisms. A group of cells with similar structure and function. Groups of tissues performing specific

More information

Ch 7 Nutrition in humans

Ch 7 Nutrition in humans Ch 7 Nutrition in humans Think about (Ch 7, p.2) 1. The stomach churns food into smaller pieces physically. The stomach wall secretes proteases to chemically digest proteins. It also releases hydrochloric

More information

Angel International School - Manipay

Angel International School - Manipay c Grade 10 Angel International School - Manipay 1 st Term Examination November 2016 Biology Duration: 3Hours Index No:- Choose the correct answer and underline it. (1) When a red stain is added to a culture

More information

At the end of this lesson, you should be able to:

At the end of this lesson, you should be able to: Digestion Learning Objectives At the end of this lesson, you should be able to: Enzymes Explain enzyme action in terms of the lock and key hypothesis Explain the effects of temperature and ph on the rate

More information

CIE Biology GCSE 7: Human nutrition

CIE Biology GCSE 7: Human nutrition CIE Biology GCSE 7: Human nutrition Notes Humans need many different nutrients to survive. To receive these nutrients in the correct quantities, a balanced diet must be eaten. A balanced diet includes

More information

Contact us:

Contact us: Class X Chapter 6 Life Processes Science Question 1: Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans? Multicellular organisms such as humans possess

More information

(a) (i) Describe how the structure of an artery is different from the structure of a vein.

(a) (i) Describe how the structure of an artery is different from the structure of a vein. The circulatory system contains arteries and veins. (a) (i) Describe how the structure of an artery is different from the structure of a vein. (2) A comparison is made between blood taken from an artery

More information

Section A: Organisms and Life Processes

Section A: Organisms and Life Processes Section A: Organisms and Life Processes The cells of all living organisms have common features, and the organisms themselves share common processes. In this chapter you will read about these features and

More information

REVISION CARDS Biology B2

REVISION CARDS Biology B2 REVISION CARDS Biology www.biologyinfo.co.uk Modified 15/02/2015 (PB) Index Topic 1 2 Microscopes 3 Plant cells 4 Animal cells 5 Bacteria cells 6 Double Helix 7 DNA 8 Genetic engineering 9 Mitosis 10 Meiosis

More information

Section 2.1: Enzymes and Digestion

Section 2.1: Enzymes and Digestion Section 2.1: Enzymes and Digestion Glands produce enzymes that are used to break down large molecules into smaller ones that are ready for abortion. The digestive system provides an interface between the

More information

Biochemical Concepts. Section 4.6 The Chemistry of Water. Pre-View 4.6. A Covalent Polar Molecule

Biochemical Concepts. Section 4.6 The Chemistry of Water. Pre-View 4.6. A Covalent Polar Molecule Biochemical Concepts Section 4.6 The Chemistry of Water Pre-View 4.6 Polar molecule a molecule that has a partial positive charge on one end and a partial negative charge on the other end Hydrogen bond

More information

Chapter 6---Life Processes

Chapter 6---Life Processes Chapter 6---Life Processes 1. In Photosynthetic process, atmospheric carbon di oxide is to carbohydrates a) oxidised b) Reduced c) Neutralised d) Burnt 2. When water enters the guard cells the stomata

More information

The Digestive System

The Digestive System The Digestive System Key words Pharynx oesophagus stomach intestine epiglottis gall bladder Pancreas peristalsis liver enzyme rectum sphincter Pyloric duodenum jejunum ileum bile lipase Amylase trypsin

More information

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level *3595628317* BIOLOGY 5090/21 Paper 2 Theory May/June 2012 1 hour 45 minutes Candidates answer on the Question

More information

PAST PAPERS PRACTICE PACK

PAST PAPERS PRACTICE PACK PAST PAPERS PRACTICE PACK PROTEINS AND ENZYMES Name: Class: Time: Marks: Comments: Page of 65 The table shows the amounts of carbohydrate, fat and protein in 00 g portions of five foods, A - E. MASS IN

More information

International General Certificate of Secondary Education CAMBRIDGE INTERNATIONAL EXAMINATIONS

International General Certificate of Secondary Education CAMBRIDGE INTERNATIONAL EXAMINATIONS International General ertificate of Secondary Education MRIGE INTERNTIONL EXMINTIONS IOLOGY 0610/1 PPER 1 Multiple hoice MY/JUNE SESSION 2002 45 minutes dditional materials: Multiple hoice answer sheet

More information

Chapter 3 CELL PROCESSES AND ENERGY

Chapter 3 CELL PROCESSES AND ENERGY Chapter 3 CELL PROCESSES AND ENERGY Section 1: Chemical Compounds in Cells Elements= Any substance that cannot be broken down into a simpler form Made up of only one kind of atom Found in the body Carbon

More information

10. The diagram below shows two different kinds of substances, A and B, entering a cell.

10. The diagram below shows two different kinds of substances, A and B, entering a cell. 1. In the binomial system of nomenclature, which two classification groups provide the scientific name of an organism? A) kingdom and phylum B) phylum and species C) kingdom and genus D) genus and species

More information

Assessment Schedule 2015 Demonstrate understanding of biological ideas relating to a mammal(s) as a consumer(s) (90929)

Assessment Schedule 2015 Demonstrate understanding of biological ideas relating to a mammal(s) as a consumer(s) (90929) NCEA Level 1 Biology (90929) 2015 page 1 of 7 Assessment Schedule 2015 Demonstrate understanding of biological relating to a mammal(s) as a consumer(s) (90929) Evidence Statement ONE NØ N1 N2 A3 A4 M5

More information

Y10 POS Combined BIOLOGY 3Y

Y10 POS Combined BIOLOGY 3Y 08-9 Y0 POS Combined BIOLOGY Y Date Syllabus Ref Content Less Practical 7... Contraception Evaluate hormonal and non- hormonal contraception...6 Fertility hormones FSH & LH IVF Issues surrounding IVF...

More information

Mark Scheme (Results) March GCSE Biology 5BI2H/01

Mark Scheme (Results) March GCSE Biology 5BI2H/01 Mark Scheme (Results) March 2013 GCSE Biology 5BI2H/01 Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world s leading learning company. We provide a wide range of

More information

AS and A-level Biology: Answers to activities in Transition guide

AS and A-level Biology: Answers to activities in Transition guide AS and A-level Biology: Answers to activities in Transition guide Activity 1 1. Depending on the organism, or fitness level, s or ms 2. cm 3. km 4. μm 5. g or kg 6. g 7. m 3 Activity 2 1. 6000 kg 2. 4

More information

Human Nutrition (IGCSE Biology Syllabus )

Human Nutrition (IGCSE Biology Syllabus ) Human Nutrition (IGCSE Biology Syllabus 2016-2018) o Balanced diet: getting all the right nutrients in correct proportions o Diet related to: - Age - Gender - Activity - Pregnant women o Malnutrition:

More information

Ms. Golub & Ms. Sahar Date: Unit 2- Test #1

Ms. Golub & Ms. Sahar Date: Unit 2- Test #1 Name Ms. Golub & Ms. Sahar Date: Unit 2- Test #1 1. The interaction between guard cells and a leaf opening would not be involved in A) diffusion of carbon dioxide B) maintaining homeostasis C) heterotrophic

More information

Assessment Schedule 2017 Biology: Demonstrate understanding of biological ideas relating to a mammal(s) as a consumer(s) (90929)

Assessment Schedule 2017 Biology: Demonstrate understanding of biological ideas relating to a mammal(s) as a consumer(s) (90929) NCEA Level 1 Biology (90929) 2017 page 1 of 6 Assessment Schedule 2017 Biology: Demonstrate understanding of biological ideas relating to a mammal(s) as a consumer(s) (90929) Evidence Statement QUESTION

More information

Additional Science. Biology BLY2F. (Jun11BLY2F01) General Certificate of Secondary Education Foundation Tier June 2011.

Additional Science. Biology BLY2F. (Jun11BLY2F01) General Certificate of Secondary Education Foundation Tier June 2011. Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Additional Science Unit Biology B2 Biology Unit Biology B2 Written Paper General Certificate

More information

Unit 4: Summary. Similarities and Differences Between Living Things

Unit 4: Summary. Similarities and Differences Between Living Things Unit 4: Summary Similarities and Differences Between Living Things Review cell theory All living things made of cells Cells perform life functions Cells come from pre existing cells What are life functions?

More information

BIOLOGY - ORDINARY LEVEL

BIOLOGY - ORDINARY LEVEL Write your Examination Number here 2007. M. 43 Coimisiún na Scrúduithe Stáit State Examinations Commission LEAVING CERTIFICATE EXAMINATION, 2007 BIOLOGY - ORDINARY LEVEL TUESDAY, 12 JUNE - AFTERNOON, 2.00

More information

Website: Page 1. Page 113»Exercise» Question 1:

Website:     Page 1. Page 113»Exercise» Question 1: Page 113»Exercise» Question 1: The kidneys in human beings are a part of the system for (a) nutrition. (b) respiration. (c) excretion. (d) transportation. (c) In human beings, the kidneys are a part of

More information

Biochemistry Name: Practice Questions

Biochemistry Name: Practice Questions Name: Practice Questions 1. Carbohydrate molecules A and B come in contact with the cell membrane of the same cell. Molecule A passes through the membrane readily, but molecule B does not. It is most likely

More information

AFTER mechanical digestion, the pieces of food are still to be used by. broken down. the cells. They MUST be EVEN MORE!!!!!!

AFTER mechanical digestion, the pieces of food are still to be used by. broken down. the cells. They MUST be EVEN MORE!!!!!! Chemical Digestion ***ANSWERS**** Name Period Date AFTER mechanical digestion, the pieces of food are still to be used by the cells. They MUST be EVEN MORE!!!!!! Special

More information

>>> FOCUS. Context. Digestion. The human digestive system

>>> FOCUS. Context. Digestion. The human digestive system Context All living organisms need nutrients, which provide materials and energy for survival. These nutrients need to be broken down before they can be used by cells. Plants make their own food using energy

More information

4.2.1 Principles of organisation Animal tissues, organs and organ systems The human digestive system

4.2.1 Principles of organisation Animal tissues, organs and organ systems The human digestive system GCSE Biology (8461). For exams 2018 onwards. Version 1.0 4.2 Organisation In this section we will learn about the human digestive system which provides the body with nutrients and the respiratory system

More information

4.2 Organisation Principles of organisation Animal tissues, organs and organ systems The human digestive system.

4.2 Organisation Principles of organisation Animal tissues, organs and organ systems The human digestive system. 4.2 Organisation In this section we will learn about the human digestive system which provides the body with nutrients and the respiratory system that provides it with oxygen and removes carbon dioxide.

More information

Use words from the box to complete Figure 1 by putting the parts of the body in order of size from smallest to largest.

Use words from the box to complete Figure 1 by putting the parts of the body in order of size from smallest to largest. 1 The human body is organised to carry out many different functions. (a) Use words from the box to complete Figure 1 by putting the parts of the body in order of size from smallest to largest. The smallest

More information

CHAPTER6. Multiple Choice Questions NCERT

CHAPTER6. Multiple Choice Questions NCERT CHAPTER6 Life Processes Multiple Choice Questions 1. Which of the following statements about the autotrophs is incorrect? (a) They synthesise carbohydrates from carbon dioxide and water in the presence

More information

AFTER mechanical digestion, the pieces of food are still to be used by broken down. the cells. They MUST be EVEN MORE!!!!!!

AFTER mechanical digestion, the pieces of food are still to be used by broken down. the cells. They MUST be EVEN MORE!!!!!! Chemical Digestion Name Period Date AFTER mechanical digestion, the pieces of food are still to be used by broken down the cells. They MUST be EVEN MORE!!!!!! Special

More information

BIOLOGY - ORDINARY LEVEL

BIOLOGY - ORDINARY LEVEL WARNING: This Question Paper MUST be returned with your answer book(s) at the end of the examination: otherwise marks will be lost. STUDENT NAME SCHOOL L.37 For Examiner s use only Sect. Q. Mark Sect.

More information

7.4 Digestion. Highlight the definition of mechanical digestion.

7.4 Digestion. Highlight the definition of mechanical digestion. 7.4 Digestion Digestion is the breakdown of large, insoluble food molecules into small, water-soluble food molecules so that they can be absorbed into the bloodstream. The large food molecules are starch,

More information

Mid Term Review. 1. step 1, only 3. both step 1 and step 2 2. step 2, only 4. neither step 1 nor step 2

Mid Term Review. 1. step 1, only 3. both step 1 and step 2 2. step 2, only 4. neither step 1 nor step 2 Name Mid Term Review 1. Diagrams, tables, and graphs are used by scientists mainly to 1. design a research plan for an experiment 3. organize data 2. test a hypothesis 4. predict the independent variable

More information

Enzymes. Chapter Enzymes and catalysts. Vital mistake. What is an enzyme?

Enzymes. Chapter Enzymes and catalysts. Vital mistake. What is an enzyme? Chapter 3 Enzymes Vital mistake We may not be able to see them, but enzymes are absolutely crucial to the lives of ourselves and all other living organisms. The Quarter Horse (Figure 3.1) is a breed of

More information

Enzymes: Helper Protein molecules

Enzymes: Helper Protein molecules Enzymes: Helper Protein molecules 2009-2010 Flow of energy through life Life is built on chemical reactions Chemical reactions of life Processes of life building molecules synthesis + breaking down molecules

More information

cell membrane cytoplasm nucleus Hydrogen peroxide is a chemical that can be used to preserve milk.

cell membrane cytoplasm nucleus Hydrogen peroxide is a chemical that can be used to preserve milk. Enzymes are made and used in all living ganisms. (a) What is an enzyme? (2) (b) Many enzymes wk inside cells. In which part of a cell will most enzymes wk? Draw a ring around the crect answer. cell membrane

More information

Cell Division and Inheritance Revision 7

Cell Division and Inheritance Revision 7 Cell Division and Inheritance Revision 7 65 minutes 65 marks Page of 20 Q. Cystic fibrosis is a disease which affects in 600 babies. (a) What are the symptoms of cystic fibrosis? (3) Two parents with normal

More information

2 Organisation higher (import)

2 Organisation higher (import) 2 Organisation higher (import) Name: Class: Date: Time: 56 minutes Marks: 56 marks Comments: Page of 2 The number of people in the UK with tumours is increasing. (a) (i) Describe how tumours form. () Tumours

More information

Describe two ways in which the cell in the strong sugar solution is different from the cell in distilled water.

Describe two ways in which the cell in the strong sugar solution is different from the cell in distilled water. The diagram shows the same plant cell: after hour in distilled water after hour in strong sugar solution. Describe two ways in which the cell in the strong sugar solution is different from the cell in

More information

Absorption definition. Active transport. Aerobic respiration definition. Anaerobic respiration definition. Animal Cell features

Absorption definition. Active transport. Aerobic respiration definition. Anaerobic respiration definition. Animal Cell features Absorption definition Active transport Aerobic respiration definition Anaerobic respiration definition The movement of digested food molecules through the wall of the intestine into the blood or lymph

More information

C) amount of carbon dioxide absorbed by the animal B) rate of respiration of the animal

C) amount of carbon dioxide absorbed by the animal B) rate of respiration of the animal Name: 1) A model of a section of a cell membrane is represented below. 4034-1 - Page 1 Which type of molecule is indicated by the arrow? A) carbohydrate B) protein C) lipid D) nucleotide 2) The movement

More information

Name: B1 Cell Biology. Class: 35 Questions. Date: Time: Marks: Comments: Brookvale Groby Learning Trust

Name: B1 Cell Biology. Class: 35 Questions. Date: Time: Marks: Comments: Brookvale Groby Learning Trust B Cell Biology 35 Questions Name: Class: Date: Time: Marks: Comments: Page of 88 Figure shows an animal cell. Figure (a) What is structure A? Tick one box. alex-mit/istock/thinkstock Cell membrane Cell

More information

CELL STRUCTURE AND CELL ORGANISATION

CELL STRUCTURE AND CELL ORGANISATION CELL STRUCTURE AND CELL ORGANISATION CHAPTER 2 https://wickedbiology.wordpress.com Cellular components of animal & plant cells https://wickedbiology.wordpress.com Plant Cells Cell wall Plasma membrane

More information

B1 You and Your Genes Q3 Question: What are alleles?

B1 You and Your Genes Q3 Question: What are alleles? Q1 : Where are chromosomes found within a cell? Inside the nucleus. Q2 : Put the following in size order starting with the smallest first: nucleus, chromosome, cell, gene. Gene, chromosome, nucleus, cell.

More information

Cells and Simple Transport Revision 2

Cells and Simple Transport Revision 2 Cells and Simple Transport Revision 2 46 minutes 46 marks Page of 8 Q. The diagram shows a cell from a plant leaf. (a) Name structures A and B. A... B... (2) Structure C is a chloroplast. What is the function

More information

Cell Division and Inheritance Revision 1

Cell Division and Inheritance Revision 1 Cell Division and Inheritance Revision 56 minutes 56 marks Page of 25 Q. People have different shaped ear lobes, either hanging or attached. The diagrams show the two shapes of ear lobe. A gene controls

More information

Standard B-3: The student will demonstrate an understanding of the flow of energy within and between living systems.

Standard B-3: The student will demonstrate an understanding of the flow of energy within and between living systems. B-3.1 Summarize the overall process by which photosynthesis converts solar energy into chemical energy and interpret the chemical equation for the process. Taxonomy Level: 2.4-B and 2.1-B Understand Conceptual

More information

Digestion & The Alimentary Canal

Digestion & The Alimentary Canal For more awesome GSE and level resources, visit us at www.savemyexams.co.uk/ igestion & The limentary anal Question Paper Level Subject Exam oard Topic Sub Topic ooklet O Level iology ambridge International

More information

[Total: 9] Question Marks Guidance Notes. 1 (a) homeostasis / negative feedback ; [1] (b) (i) insulin ; [1] (ii) liver / muscle / pancreas ; [1]

[Total: 9] Question Marks Guidance Notes. 1 (a) homeostasis / negative feedback ; [1] (b) (i) insulin ; [1] (ii) liver / muscle / pancreas ; [1] Question Marks Guidance Notes 1 (a) homeostasis / negative feedback ; [1] (b) (i) insulin ; [1] (ii) liver / muscle / pancreas ; [1] (iii) glycogen ; [1] (c) Symptoms: fatigue / AW ; thirst / AW ; increased

More information

Ch 5 Metabolism and enzymes

Ch 5 Metabolism and enzymes Ch 5 Metabolism and enzymes Think about (Ch 5, p.2) 1. Enzymes are proteins that act as biological catalysts to speed up metabolic reactions. 2. Enzymes catalyse the breakdown of cellulose fibres of the

More information

UR Revision Guide. igcse Biology. Page 1

UR Revision Guide. igcse Biology. Page 1 UR Revision Guide igcse Biology 1 Photosynthesis Summary Green plants and algae use light energy to make their own food. They obtain the raw materials they need to make this food from the air and the soil.

More information

9. At about 0 C., most enzymes are (1.) inactive (2.) active (3.) destroyed (4.) replicated

9. At about 0 C., most enzymes are (1.) inactive (2.) active (3.) destroyed (4.) replicated Study Guide 1. Which of the following enzymes would digest a fat? (1.) sucrase (2.) fatase (3.) protease (4.) lipase 2. At high temperatures, the rate of enzyme action decreases because the increased heat

More information

Enzymes in digestion. Feature Catalyst Enzyme. Function. Rate of reaction. Range of reactions (specificity) Structure. Required temperatures

Enzymes in digestion. Feature Catalyst Enzyme. Function. Rate of reaction. Range of reactions (specificity) Structure. Required temperatures Task 1 Use the information sheets to fill in the table. Feature Catalyst Enzyme Function Rate of reaction Range of reactions (specificity) Structure Required temperatures How the reaction occurs www.teachitscience.co.uk

More information