Time allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of the question in Section B and ONE question from Section C.
|
|
- Mercy Harris
- 6 years ago
- Views:
Transcription
1 UNIVERSITY OF EAST ANGLIA School of Biological Sciences Main Series UG Examination FUNDAMENTALS OF CELL BIOLOGY AND BIOCHEMISTRY BIO-4004B Time allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of the question in Section B and ONE question from Section C. Write answers to EACH SECTION in the Answer Grid or SEPARATE booklet. The maximum number of marks available for your answers in SECTION A is 40 marks The maximum number of marks available for your answer in SECTION B is 30 marks The maximum number of marks available for your answer in SECTION C is 30 marks The TOTAL number of marks available for the paper is 100 Numbers in square brackets [ ] indicate the relevant mark applied to each part of the question. Graph paper is provided. Notes are not permitted in this examination. Do not turn over until you are told to do so by the Invigilator. BIO-4004B Module Contact: Dr Helen James, BIO Copyright of the University of East Anglia Version 1
2 2 SECTION A: MULTIPLE CHOICE AND SHORT ANSWER QUESTIONS Answer ALL questions. Answer multiple choice questions in the answer grid provided and attach this to your booklet for Section A. 1. In the hierarchy of protein structure which of the following terms is used when referring to the structure that results from assembled subunits? a) Tertiary structure b) Elementary structure c) Primary structure d) Secondary structure e) Quaternary structure 2. Which of the following statements is not an advantage of the cooperative binding of O2 to haemoglobin? a) Haemoglobin is reluctant to take up O2 at first; its affinity increases with O2 uptake b) Allows efficient transfer of O2 from blood to muscle c) In the lungs haemoglobin is saturated with O2 d) In peripheral tissue haemoglobin gives up nearly half of its O2 e) Structural changes in the haemoglobin are permanent 3. The initial velocity of an enzyme catalysed reaction: a) is independent of enzyme concentration b) typically has units of mg ml -1 c) is equal to KM d) typically has units of M s -1 e) is independent of temperature 4. The main component of the bacterial cell wall is a 3D polymer of: a) oligosaccharide b) lipoprotein c) peptidoglycan d) phospholipids e) sterols Section A continues on next page/...
3 3 Section A continued Which technique uses antibodies to identify and localise proteins within cells? a) Western Blotting b) Immuno-labelling c) Immuno-precipitation d) Gel electrophoresis e) Electron microscopy 6. What is the function of the centrosome? a) Replicates DNA b) Nucleates actin filaments c) Organises ribosomes d) Nucleates and organises microtubules e) Protects the ends of the chromosomes 7. Which of the following components cannot be transported via gap junctions? a) ATP b) Glucose c) Mg 2+ ions d) Cytochrome C e) camp 8. Which of these statements about the protein domains of the extracellular matrix proteins is not correct? a) They share conserved secondary structures b) They have identical primary structures (sequences) c) There is an evolutionary relationship between them d) Extracellular matrix proteins may contain multiple domains e) Domains can often fold independently of the rest of the protein Section A continues on next page/... TURN OVER
4 4 Section A continued The disease Scurvy is caused by: a) reduced gene expression of all collagens b) decreased degradation of collagens c) increased levels of posttranslational processing d) lack of ascorbic acid e) mutations in collagen I genes 10. The Leukocyte rolling of an endothelial cell is mediated by which group of molecules? a) Dystrophins b) Surface proteoglycans c) Cadherins d) Integrin receptors e) Selectins 11. The motility of cellular cilia depends on the presence of which structural element? a) Keratin filaments b) Microtubules c) Actin stress fibers d) Linkage to dystrophin e) Vimentin 12. What is the name given to protein transporters that carry molecules and the cotransported ion in the same direction across a membrane? a) Aquaporins b) Symporters c) Channel proteins d) ABC transporters e) Antiporter 13. During which phase of mitosis does cytoplasmic division occur? a) Metaphase b) Cytokinesis c) Telophase d) G2 e) prophase Section A continues on next page/...
5 5 Section A continued Which of the following is not a second messenger? a) Cyclic AMP b) Cyclic GMP c) Diacylglycerol d) Insulin e) Calcium ions 15. Which of the following species is a standard model organism for plant biology studies? a) Drosophila melanogaster b) Mus musculus c) Xenopus laevis d) Escherichia coli e) Arabidopsis thaliana 16. Which of the following is not a carbohydrate? a) Ribose b) Glycine c) Starch d) Glyceraldehyde e) Cellulose 17. Which of the following is a tough, fibrous water insoluble substance found in the cell walls of plants? a) Cellulose b) Amylopectin c) Glycogen d) Chitin e) Amylose Section A continues on next page/... TURN OVER
6 6 Section A continued Which statement below is not true of the pyruvate dehydrogenase complex? a) It is located in the mitochondrial matrix b) Acetyl-CoA is one of its products c) It is an enzyme of the citric acid cycle d) CO2 is one of its products e) NAD + is one of its substrates 19. An enzyme used in both glycolysis and gluconeogenesis is: a) 3-phosphoglycerate kinase b) glucose 6-phosphatase c) hexokinase d) phosphofructokinase-1 e) pyruvate kinase 20. Carnitine is: a) a 15-carbon fatty acid b) an essential cofactor for the citric acid cycle c) essential for intracellular transport of fatty acids d) one of the amino acids commonly found in proteins e) present only in carnivorous animals For all remaining questions in Section A, please use an answer booklet. Remember to attach your multiple choice answer grid to the booklet. 21. Fill in the missing words ((a) (d)) in the following statement that would accurately complete the paragraph. (Write your answers in your answer booklet, do not write your answers on the exam paper.) [4 marks] In preparation for separating proteins by chromatography an appropriate column is first (a) with a solution of the same composition as the sample of proteins. The sample of proteins is then (b) on to the column. During this stage of anion exchange chromatography proteins with (c) charge will bind to the column. These proteins are eluted by increasing the concentration of (d) in the solution flowing through the column. Section A continues on next page/...
7 7 Section A continued Briefly, what are the main components of membranes and how are membranes structured? [4 marks] 23. Generally, hormones that are peptides act faster than those that are steroids. Using brief notes, explain why this is true. [4 marks] 24. Give four differences between prokaryote and eukaryote cells. [4 marks] 25. What are the two main proteins involved in muscle contraction and briefly how are they involved in the contraction process? [4 marks] END OF SECTION A START YOUR ANSWER TO THE NEXT SECTION IN A NEW BOOKLET Section B begins on next page/... TURN OVER
8 8 SECTION B: DATA HANDLING QUESTION Answer ALL PARTS of this question [30 marks] 26. Hexokinase catalyses the reaction shown below: ATP + D-hexose ADP + D-hexose 6-phosphate A series of assays were performed to assess the effect of substrate concentration on the activity of hexokinase and the results are presented in Table 1. The total volume of the assay solution was 4 ml and it contained 0.25 M hexokinase and 50 M ATP. Concentration of D-hexose (mm) Initial Velocity (mm min -1 ) Table 1. Initial velocities of the hexokinase catalysed phosphorylation of D- hexose. (a) Define what an enzyme is. [2 marks] (b) Draw a Lineweaver-Burk plot for the results in Table 1 on the graph paper provided. [12 marks] (c) Determine KM and Vmax for the enzyme hexokinase. Give KM in units of mm and Vmax in units of mm min -1. [8 marks] (d) Determine the turnover number (kcat) for hexokinase in units of min -1. [5 marks] (e) Define an uncompetitive inhibitor in terms of its effect on KM and Vmax. [3 marks] END OF SECTION B START YOUR ANSWER TO THE NEXT SECTION IN A NEW BOOKLET Section C begins on next page/...
9 9 SECTION C: ESSAY QUESTION Answer ONE question [30 marks] 27. Various combinations of four major cell-cell adhesion complexes can be found in different cells. Describe their specific functions and define their roles in the tissue context. Use adequate example(s) to support your statements. 28. Compare and contrast photophosphorylation and oxidative phosphorylation. 29. Using examples, describe how cellular communication is achieved in flowering plants over short and long distances. END OF PAPER
10 UNIVERSITY OF EAST ANGLIA School of Biological Sciences Main Series UG Examination FUNDAMENTALS OF CELL BIOLOGY AND BIOCHEMISTRY BIO-4004B Registration Number SECTION A: Answer Grid (for Multiple Choice Questions only) Place a single cross in the appropriate box Question No. A B C D E Marks given Marks available
11 11 BIO-4004B EXAMINATION MARKERS [Do not print this when printing to take to Examinations Office! This is for our information only.] Question No. 1 st Marker 2 nd Marker Section A Q1 Helen James Gabriella Kelemen 25 Section B Q26 Helen James Kay Yeoman Section C Q27 Ernst Poschl Mette Mogensen Section C Q28 Julea Butt Richard Bowater Section C Q29 Colwyn Thomas Andrew Chantry
Time allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of the question in Section B and ONE question from Section C.
UNIVERSITY OF EAST ANGLIA School of Biological Sciences Main Series UG Examination 20122013 FUNDAMENTALS OF CELL BIOLOGY AND BIOCHEMISTRY BIO1A14 Time allowed: 2 hours Answer ALL questions in Section A,
More informationBIOLOGY 103 Spring 2001 MIDTERM LAB SECTION
BIOLOGY 103 Spring 2001 MIDTERM NAME KEY LAB SECTION ID# (last four digits of SS#) STUDENT PLEASE READ. Do not put yourself at a disadvantage by revealing the content of this exam to your classmates. Your
More informationNBCE Mock Board Questions Biochemistry
1. Fluid mosaic describes. A. Tertiary structure of proteins B. Ribosomal subunits C. DNA structure D. Plasma membrane structure NBCE Mock Board Questions Biochemistry 2. Where in the cell does beta oxidation
More informationnumber Done by Corrected by Doctor Nayef Karadsheh
number 11 Done by حسام أبو عوض Corrected by Moayyad Al-Shafei Doctor Nayef Karadsheh 1 P a g e General Regulatory Aspects in Metabolism: We can divide all pathways in metabolism to catabolicand anabolic.
More informationAS Level Paper 1 and 2. A2 Level Paper 1 and 3 - Topics 1-4
Section 3.1: Biological Molecules 3.1.1 Monomers and Polymers 3.1.2 Carbohydrates 3.1.3 Lipids 3.1.4.1 Proteins 3.1.4.2 Enzymes 3.1.5.1 Nucleic acid structure 3.1.5.2 DNA Replication 3.1.6 ATP 3.1.7 Water
More informationQuiz 4 Review Guide Fall 2018
Quiz 4 Review Guide Fall 2018 Major Topics: Enzyme Kinetics: o reaction rates and catalysis; transition state binding theory o Michaelis-Menten equation and interpretation o Inhibitors types and explanations
More informationPCB 3023 Exam 4 - Form A First and Last Name
PCB 3023 Exam 4 - Form A First and Last Name Student ID # (U Number) A Before beginning this exam, please complete the following instructions: 1) Write your name and U number on the first page of this
More informationMetabolism. Metabolic pathways. BIO 5099: Molecular Biology for Computer Scientists (et al) Lecture 11: Metabolic Pathways
BIO 5099: Molecular Biology for Computer Scientists (et al) Lecture 11: Metabolic Pathways http://compbio.uchsc.edu/hunter/bio5099 Larry.Hunter@uchsc.edu Metabolism Metabolism is the chemical change of
More informationAP Biology Cells: Chapters 4 & 5
AP Biology Cells: Chapters 4 & 5 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The was the first unifying principle of biology. a. spontaneous generation
More informationBCMB 3100 Fall 2013 Exam III
BCMB 3100 Fall 2013 Exam III 1. (10 pts.) (a.) Briefly describe the purpose of the glycerol dehydrogenase phosphate shuttle. (b.) How many ATPs can be made when electrons enter the electron transport chain
More informationMitochondria and ATP Synthesis
Mitochondria and ATP Synthesis Mitochondria and ATP Synthesis 1. Mitochondria are sites of ATP synthesis in cells. 2. ATP is used to do work; i.e. ATP is an energy source. 3. ATP hydrolysis releases energy
More informationWhat are the most common elements in living organisms? What is the difference between monomers, dimers and polymers?
What do each of these terms mean? Atom Molecule Element Compound Organic Inorganic What are the most common elements in living organisms? What are the roles of magnesium, iron, phosphate and calcium in
More informationBIOLOGY 311C - Brand Spring 2010
BIOLOGY 311C - Brand Spring 2010 NAME (printed very legibly) KEY UT-EID EXAMINATION III Before beginning, check to be sure that this exam contains 8 pages (including front and back) numbered consecutively,
More informationA. Major parts 1. Nucleus 2. Cytoplasm a. Contain organelles (see below) 3. Plasma membrane (To be discussed in Cellular Transport Lecture)
Lecture 5: Cellular Biology I. Cell Theory Concepts: 1. Cells are the functional and structural units of living organisms 2. The activity of an organism is dependent on both the individual and collective
More informationScantron Instructions
BIOLOGY 1A MIDTERM # 1 February 17 th, 2012 NAME SECTION # DISCUSSION GSI 1. Sit every other seat and sit by section number. Place all books and paper on the floor. Turn off all phones, pagers, etc. and
More informationCELLS. Cells. Basic unit of life (except virus)
Basic unit of life (except virus) CELLS Prokaryotic, w/o nucleus, bacteria Eukaryotic, w/ nucleus Various cell types specialized for particular function. Differentiation. Over 200 human cell types 56%
More informationUniversity of Guelph Department of Chemistry and Biochemistry Structure and Function In Biochemistry
University of Guelph Department of Chemistry and Biochemistry 19-356 Structure and Function In Biochemistry Final Exam, April 21, 1997. Time allowed, 120 min. Answer questions 1-30 on the computer scoring
More informationStudent Number: THE UNIVERSITY OF MANITOBA April 16, 2007, 9:00 AM -12:00 PM Page 1 (of 4) Biochemistry II Laboratory Section Final Examination
Name: Student Number: THE UNIVERSITY OF MANITOBA April 16, 2007, 9:00 AM -12:00 PM Page 1 (of 4) Biochemistry II Laboratory Section Final Examination MBIO / CHEM.2370 Examiner: Dr. A. Scoot 1. Answer ALL
More informationChemistry 107 Exam 4 Study Guide
Chemistry 107 Exam 4 Study Guide Chapter 10 10.1 Recognize that enzyme catalyze reactions by lowering activation energies. Know the definition of a catalyst. Differentiate between absolute, relative and
More informationMETABOLISM Biosynthetic Pathways
METABOLISM Biosynthetic Pathways Metabolism Metabolism involves : Catabolic reactions that break down large, complex molecules to provide energy and smaller molecules. Anabolic reactions that use ATP energy
More informationCell Membranes Valencia college
6 Cell Membranes Valencia college 6 Cell Membranes Chapter objectives: The Structure of a Biological Membrane The Plasma Membrane Involved in Cell Adhesion and Recognition Passive Processes of Membrane
More informationTime allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of the question in Section B and ONE question from Section C.
UNIVERSITY OF EAST ANGLIA School of Biological Sciences Main Series UG Examination 2016-17 FURTHER BIOLOGY BIO-0001B Time allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of the question in
More informationCell Communication. Local and Long Distance Signaling
Cell Communication Cell to cell communication is essential for multicellular organisms Some universal mechanisms of cellular regulation providing more evidence for the evolutionary relatedness of all life
More informationCells. Variation and Function of Cells
Cells Variation and Function of Cells Cell Theory states that: 1. All living things are made of cells 2. Cells are the basic unit of structure and function in living things 3. New cells are produced from
More information*For complete material(s) information, refer to
Butler Community College Science, Technology, Engineering, and Math Division Robert Carlson New Fall 2017 Implemented Fall 2018 COURSE OUTLINE Biochemistry Course Description CH 275. Biochemistry. 4 hours
More informationSynoptic Essay Titles
Synoptic Essay Titles 1. The functions of cell surface membranes a. Control of substances entering and exiting the cell i. Glucose absorption ii. Osmosis iii. Facilitated diffusion iv. Nerve impulses b.
More informationTest Review Worksheet 1 Name: Per:
Test Review Worksheet 1 Name: Per: 1. Put the following in order according to blood flow through the body, starting with the lungs: Lungs, right atrium, left atrium, right ventricle, left ventricle, aorta,
More informationthe nature and importance of biomacromolecules in the chemistry of the cell: synthesis of biomacromolecules through the condensation reaction lipids
the nature and importance of biomacromolecules in the chemistry of the cell: synthesis of biomacromolecules through the condensation reaction lipids and their sub-units; the role of lipids in the plasma
More informationKEY NAME (printed very legibly) UT-EID
BIOLOGY 311C - Brand Spring 2007 KEY NAME (printed very legibly) UT-EID EXAMINATION II Before beginning, check to be sure that this exam contains 7 pages (including front and back) numbered consecutively,
More informationCellular Respiration
Cellular I can describe cellular respiration Cellular respiration is a series of metabolic pathways releasing energy from a foodstuff e.g. glucose. This yields energy in the form of ATP adenosine P i P
More informationReview of Carbohydrate Digestion
Review of Carbohydrate Digestion Glycolysis Glycolysis is a nine step biochemical pathway that oxidizes glucose into two molecules of pyruvic acid. During this process, energy is released and some of it
More informationThe Manga Guide to Biochemistry 2011 Masaharu Takemura, Kikuyaro, and Office Sawa.
Contents Preface.... xi Prologue... 1 1 What Happens Inside Your Body?... 13 1. Cell Structure... 14 What Are the Components of a Cell?... 16 2. What Happens Inside a Cell?... 18 Protein Synthesis... 19
More informationUNIVERSITY COLLEGE OF THE FRASER VALLEY COURSE INFORMATION. DISCIPLINE/DEPARTMENT: BIOLOGY DATE: June Biology 201 Cell Biology I 4
UNIVERSITY COLLEGE OF THE FRASER VALLEY COURSE INFORMATION DISCIPLINE/DEPARTMENT: BIOLOGY DATE: June 1994 Course Revised Implementation Date: September 2001 Course To Be Reviewed Date: September 2005 Biology
More information24. What is the half-life of a compound (reactant) and does it depend on the concentration of this compound (reactant) in a first order process? 25. W
Water 1. Why is water so different compared to methane although they have nearly the same molecular weight? 2. What are the main differences between water and methane which has nearly the same molecular
More informationActivity: Biologically Important Molecules
Activity: Biologically Important Molecules AP Biology Introduction We have already seen in our study of biochemistry that the molecules that comprise living things are carbon-based, and that they are thought
More informationDisaccharides. Compound dehydration synthesis puts sugars together Hydrolysis (hydro-water, lysisbreakdown)
Carbohydrate Carbo-hydrate -carbon, water Cn(H2O) n Monosaccharides Hexose hex = 6 [carbons], "-ose" means sugar Glucose monosaccaccharide usually assume a ring structure Disaccharides Compound dehydration
More informationQuiz #1. BIO200 January 11, point each
Quiz #1 January 11, 2013 1. The primary amine group of an amino acid has a pka of 10 and the carboxylic acid group of an amino acid has a pka of 2. The side chain of the amino acid alanine is a methyl
More informationMock Exam All of the following are oxidizing agents EXCEPT a. NADP+ b. NADH c. FAD d. e. cytochromes
Mock Exam 2 1. The Calvin cycle differs from the citric acid cycle in that it a. produces ATP b. directly requires light to run c. depends on the products of an electron transport chain d. occurs in a
More informationCellular Respiration
Cellular Respiration 1. To perform cell work, cells require energy. a. A cell does three main kinds of work: i. Mechanical work, such as the beating of cilia, contraction of muscle cells, and movement
More information3) How many different amino acids are proteogenic in eukaryotic cells? A) 12 B) 20 C) 25 D) 30 E) None of the above
Suggesting questions for Biochemistry 1 and 2 and clinical biochemistry 1) Henderson Hasselbalch Equation shows: A) The relationship between ph and the concentration of an acid and its conjugate base B)
More informationEnergy Production In A Cell (Chapter 25 Metabolism)
Energy Production In A Cell (Chapter 25 Metabolism) Large food molecules contain a lot of potential energy in the form of chemical bonds but it requires a lot of work to liberate the energy. Cells need
More informationANSC 689 PHYSIOLOGICAL CHEMISTRY OF LIVESTOCK SPECIDS. Enzyme Kinetics and Control Reactions
Handout Enzyme Kinetics and Control Reactions ANSC 689 PHYSIOLOGICAL CHEMISTRY OF LIVESTOCK SPECIDS Enzyme Kinetics and Control Reactions I. Kinetics A. Reaction rates 1. First order (reaction rate is
More informationTime allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of the question from Section B and ONE question from Section C.
UNIVERSITY OF EAST ANGLIA School of Biological Sciences Main Series UG Examination 2016-17 INVESTIGATION OF HUMAN DISEASE BIO-5016B Time allowed: 2 hours Answer ALL questions in Section A, ALL PARTS of
More informationUNIVERSITY OF BOLTON SPORT AND BIOLOGICAL SCIENCES SPORT AND EXERCISE SCIENCE PATHWAY SEMESTER TWO EXAMINATIONS 2016/2017
LH14 UNIVERSITY OF BOLTON SPORT AND BIOLOGICAL SCIENCES SPORT AND EXERCISE SCIENCE PATHWAY SEMESTER TWO EXAMINATIONS 2016/2017 INTRODUCTION TO SPORT AND EXERCISE PHYSIOLOGY MODULE NO: SPS4002 Date: Thursday
More informationBiochemistry 7/11/ Bio-Energetics & ATP. 5.1) ADP, ATP and Cellular Respiration OVERVIEW OF ENERGY AND METABOLISM
Biochemistry 5. Bio-Energetics & ATP 5.1) ADP, ATP and Cellular Respiration Prof. Dr. Klaus Heese OVERVIEW OF ENERGY AND METABOLISM 1. The food we eat, (carbohydrates/ glucose /sugar, lipids/fat, proteins),
More informationBIOL 1103 AT. Facilitators do not bring copies of the mock exam to the session. Please print out and complete the exam before you attend.
It is most beneficial to you to write this mock midterm UNDER EXAM CONDITIONS. This means: Complete the midterm in 1.5 hour(s). Work on your own. Keep your notes and textbook closed. Attempt every question.
More informationEnzymes and Metabolism
PowerPoint Lecture Slides prepared by Vince Austin, University of Kentucky Enzymes and Metabolism Human Anatomy & Physiology, Sixth Edition Elaine N. Marieb 1 Protein Macromolecules composed of combinations
More informationCHAPTER 16. Glycolysis
CHAPTER 16 Glycolysis Net reaction of Glycolysis Converts: 1 Glucose Hexose stage 2 pyruvate - Two molecules of ATP are produced - Two molecules of NAD + are reduced to NADH Triose stage Glucose + 2 ADP
More informationChemistry 1120 Exam 4 Study Guide
Chemistry 1120 Exam 4 Study Guide Chapter 12 12.1 Identify and differentiate between macronutrients (lipids, amino acids and saccharides) and micronutrients (vitamins and minerals). Master Tutor Section
More informationCarbohydrate Metabolism
Chapter 34 Carbohydrate Metabolism Carbohydrate metabolism is important for both plants and animals. Introduction to General, Organic, and Biochemistry, 10e John Wiley & Sons, Inc Morris Hein, Scott Pattison,
More information2) At physiological ph (7.0), what is the net charge of this peptide? (note this only requires knowing the R groups on each amino acid)
page1 (of10) Proteins and peptides (9 points) Behold, a license plate! It is from a custom classic car (ca. 1940) on display at Simpson s Nursery in Jamul, which has many plants and a remarkable collection
More informationEssential Biology 3.2 Carbohydrates, Lipids, Proteins. 1. Define organic molecule.
1. Define organic molecule. An organic molecule is a molecule that contains carbon and is found in living things. There are many organic molecules in living things. The same (or very similar) molecules
More informationAP Biology Summer Assignment Chapter 3 Quiz
AP Biology Summer Assignment Chapter 3 Quiz 2016-17 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. All of the following are found in a DNA nucleotide
More information7 Pathways That Harvest Chemical Energy
7 Pathways That Harvest Chemical Energy Pathways That Harvest Chemical Energy How Does Glucose Oxidation Release Chemical Energy? What Are the Aerobic Pathways of Glucose Metabolism? How Is Energy Harvested
More informationHigher Biology. Unit 2: Metabolism and Survival Topic 2: Respiration. Page 1 of 25
Higher Biology Unit 2: Metabolism and Survival Topic 2: Respiration Page 1 of 25 Sub Topic: Respiration I can state that: All living cells carry out respiration. ATP is the energy currency of the cell
More informationThe further from the nucleus, the higher the electron s energy Valence shell electrons participate in biological reactions
Chemistry of Life Revision: The further from the nucleus, the higher the electron s energy Valence shell electrons participate in biological reactions Atoms exchange electrons with other elements to form
More informationOVERVIEW OF ENERGY AND METABOLISM
Biochemistry 5. Bio-Energetics & ATP 5.1) ADP, ATP and Cellular Respiration OVERVIEW OF ENERGY AND METABOLISM 1. The food we eat, (carbohydrates/ glucose /sugar, lipids/fat, proteins), are our only source
More informationThe Structure and Function of Macromolecules
The Structure and Function of Macromolecules I. Polymers What is a polymer? Poly = many; mer = part. A polymer is a large molecule consisting of many smaller sub-units bonded together. What is a monomer?
More informationCellular Pathways That Harvest Chemical Energy. Cellular Pathways That Harvest Chemical Energy. Cellular Pathways In General
Cellular Pathways That Harvest Chemical Energy A. Obtaining Energy and Electrons from Glucose Lecture Series 12 Cellular Pathways That Harvest Chemical Energy B. An Overview: Releasing Energy from Glucose
More information3.2 Aerobic Respiration
3.2 Aerobic Respiration Aerobic Cellular Respiration Catabolic pathways Breaks down energy-rich compounds to make ATP Requires oxygen Occurs in different parts of the cell C 6 H 12 O 6 (s) + 6O 2 (g) 6CO
More informationWeek 1 Multiple Choice Questions: 1. A substrate molecule may be bound to the active site of an enzyme by all of the following EXCEPT
WEEK 1: Chemistry of Life (7%) Week 1 Concepts: How do the unique chemical and physical properties of water make life on earth possible? What is the role of carbon in the molecular diversity of life? How
More informationChemistry 107 Exam 3 Study Guide
Chapter 7 Chemistry 107 Exam 3 Study Guide 7.1 Recognize the aldehyde, ketone and hydroxyl (-OH) functional groups found in carbohydrates. Differentiate between mono-, di-, and polysaccharides. Master
More informationINTRODUCTORY BIOCHEMISTRY. BI 28 Second Midterm Examination April 3, 2007
INTRODUCTORY BIOCHEMISTRY BI 28 Second Midterm Examination April 3, 2007 Name SIS # Make sure that your name or SIS # is on every page. This is the only way we have of matching you with your exam after
More informationGlycolysis. Intracellular location Rate limiting steps
Glycolysis Definition Fx Fate Site Intracellular location Rate limiting steps Regulation Consume ATP Subs level phosphoryla tion Key reactions control points Nb Oxidation of glucose to give pyruvate (
More informationGlycolysis Introduction to Metabolism Regulation of Metabolism Overview of Glycolysis Reactions of Glycolysis
Glycolysis Introduction to Metabolism Regulation of Metabolism Overview of Glycolysis Reactions of Glycolysis Suggested Reading: Lippincot s Ilustrated reviews: Biochemistry Glycolysis, an example of metabolic
More informationPhysiological Chemistry II Exam IV Dr. Melissa Kelley April 13, 2004
Name Write your name on the back of the exam Physiological Chemistry II Exam IV Dr. Melissa Kelley April 13, 2004 This examination consists of forty-four questions, each having 2 points. The remaining
More information0.40. Biochemistry of Carbohydrates
0.40 Biochemistry of Carbohydrates Biochemistry of Carbohydrates ATP ADP Glycolysis The Breakdown of Glucose Primary Energy Source of Cells Central Metabolic Pathway All Reactions Occur in Cytoplasm Two
More informationBiology 12 - Biochemistry Practice Exam
Biology 12 - Biochemistry Practice Exam Name: Water: 1. The bond between water molecules is a (n) a. ionic bond b. covalent bond c. polar covalent bond d. hydrogen bond 2. The water properties: good solvent,
More informationCellular Respiration: Harvesting Chemical Energy
Chapter 9 Cellular Respiration: Harvesting Chemical Energy You should be able to: 1. Explain how redox reactions are involved in energy exchanges. Name and describe the three stages of cellular respiration;
More informationMetabolism of cardiac muscle. Dr. Mamoun Ahram Cardiovascular system, 2013
Metabolism of cardiac muscle Dr. Mamoun Ahram Cardiovascular system, 2013 References This lecture Mark s Basic Medical Biochemistry, 4 th ed., p. 890-891 Hand-out Why is this topic important? Heart failure
More informationUNIVERSITY OF YORK BSc Stage 2 Degree Examinations Department: BIOLOGY. Title of Exam: Cell Biology
Examination Candidate Number: Desk Number: UNIVERSITY OF YORK BSc Stage 2 Degree Examinations 2017-18 Department: BIOLOGY Title of Exam: Cell Biology Time allowed: 1 hour and 30 minutes Total marks available
More informationBiological Chemistry. Is biochemistry fun? - Find it out!
Biological Chemistry Is biochemistry fun? - Find it out! 1. Key concepts Outline 2. Condensation and Hydrolysis Reactions 3. Carbohydrates 4. Lipids 5. Proteins 6. Nucleic Acids Key Concepts: 1. Organic
More informationGlucose is the only source of energy in red blood cells. Under starvation conditions ketone bodies become a source of energy for the brain
Glycolysis 4 / The Text :- Some Points About Glucose Glucose is very soluble source of quick and ready energy. It is a relatively stable and easily transported. In mammals, the brain uses only glucose
More informationg) Cellular Respiration Higher Human Biology
g) Cellular Respiration Higher Human Biology What can you remember about respiration? 1. What is respiration? 2. What are the raw materials? 3. What are the products? 4. Where does it occur? 5. Why does
More informationHow Cells Release Chemical Energy. Chapter 8
How Cells Release Chemical Energy Chapter 8 Impacts, Issues: When Mitochondria Spin Their Wheels More than forty disorders related to defective mitochondria are known (such as Friedreich s ataxia); many
More informationWhat is Glycolysis? Breaking down glucose: glyco lysis (splitting sugar)
What is Glycolysis? Breaking down glucose: glyco lysis (splitting sugar) Most ancient form of energy capture. Starting point for all cellular respiration. Inefficient: generates only 2 ATP for every 1
More informationThe Star of The Show (Ch. 3)
The Star of The Show (Ch. 3) Why study Carbon? All of life is built on carbon Cells ~72% 2 O ~25% carbon compounds carbohydrates lipids proteins nucleic acids ~3% salts Na, Cl, K Chemistry of Life Organic
More informationCOURSE OUTLINE CHEMISTRY II 2018
COURSE OUTLINE CHEMISTRY II 2018 Course: Course Code: Times & Location: Course Coordinator: Instructors/Teaching Assistants: E-mail: Office Hours: Office Location: Chemistry II : Foundations of Chemistry
More informationFrom Atoms to Cells: Fundamental Building Blocks. Models of atoms. A chemical connection
From Atoms to Cells: A chemical connection Fundamental Building Blocks Matter - all materials that occupy space & have mass Matter is composed of atoms Atom simplest form of matter not divisible into simpler
More informationCHE 242 Exam 3 Practice Questions
CHE 242 Exam 3 Practice Questions Glucose metabolism 1. Below is depicted glucose catabolism. Indicate on the pathways the following: A) which reaction(s) of glycolysis are irreversible B) where energy
More informationThe Structure and Function of Large Biological Molecules
NAME DATE Chapter 5 - The Structure and Function of Large Biological Molecules Guided Reading Concept 5.1: Macromolecules are polymers, built from monomers 1. The large molecules of all living things fall
More informationIntegration of Metabolism
Integration of Metabolism Metabolism is a continuous process. Thousands of reactions occur simultaneously in order to maintain homeostasis. It ensures a supply of fuel, to tissues at all times, in fed
More informationWater: 1. The bond between water molecules is a(n) a. ionic bond b. covalent bond c. polar covalent bond d. hydrogen bond
Biology 12 - Biochemistry Practice Exam KEY Water: 1. The bond between water molecules is a(n) a. ionic bond b. covalent bond c. polar covalent bond d. hydrogen bond 2. The water properties: good solvent,
More informationChapter 7 How Cells Release Chemical Energy
Chapter 7 How Cells Release Chemical Energy 7.1 Mighty Mitochondria More than forty disorders related to defective mitochondria are known (such as Friedreich s ataxia); many of those afflicted die young
More information1- Which of the following statements is TRUE in regards to eukaryotic and prokaryotic cells?
Name: NetID: Exam 3 - Version 1 October 23, 2017 Dr. A. Pimentel Each question has a value of 4 points and there are a total of 160 points in the exam. However, the maximum score of this exam will be capped
More informationnumber Done by Corrected by Doctor
number 12 Done by Baraa Ayed Corrected by Mamoon Mohammad Alqtamin Doctor Nayef Karadsheh Lactate production 1 P a g e Advantages of producing lactate Lactate is produced anaerobically to meet the following
More informationCHY2026: General Biochemistry UNIT 7& 8: CARBOHYDRATE METABOLISM
CHY2026: General Biochemistry UNIT 7& 8: CARBOHYDRATE METABOLISM Metabolism Bioenergetics is the transfer and utilization of energy in biological systems The direction and extent to which a chemical reaction
More informationIntegration Of Metabolism
Integration Of Metabolism Metabolism Consist of Highly Interconnected Pathways The basic strategy of catabolic metabolism is to form ATP, NADPH, and building blocks for biosyntheses. 1. ATP is the universal
More informationCLINICAL BIOCHEMISTRY II
BMI2601 CLINICAL BIOCHEMISTRY II ASSIGNMENT 2 MEMO 2018 QUESTION 1 [10] 1.1 Buffers are molecules that donate or accept protons to resist changes in ph as acids or bases are added to the solution. A buffer
More informationChapter 10. Introduction to Nutrition and Metabolism, 3 rd edition David A Bender Taylor & Francis Ltd, London 2002
Chapter 10 Introduction to Nutrition and Metabolism, 3 rd edition David A Bender Taylor & Francis Ltd, London 2002 Chapter 10: Integration and Control of Metabolism Press the space bar or click the mouse
More informationPRINT your Name Student (FAMILY, first name) Midterm 7:00 P.M.
PRINT your Name Student No. (FAMILY, first name) BIOCHEMISTRY 311A VERSION 1 (ONE) Midterm 7:00 P.M. Examiners: Dr. R. E. MacKenzie (69%) Dr. A. Storer (18%) Dr. W. Mushynski (13%) READ THE QUESTIONS CAREFULLY!!
More informationChemical Composition of the Cell. B. Balen
Chemical Composition of the Cell B. Balen Table 2-2 Molecular Biology of the Cell ( Garland Science 2008) 1. Water the most abundant substance in the cell! Where did it come from? several hypothesis: -
More informationCARBOHYDRATE METABOLISM
Note (Study Glycolysis, fermentation and their regulation, Gluconeogenesis and glycogenolysis, Metabolism of galactose, TCA cycle and Amphibolic role of the cycle, and Glyoxalic acid cycle, HMP shunt in
More informationBio 12 Chapter 2 Test Review
Bio 12 Chapter 2 Test Review 1.Know the difference between ionic and covalent bonds In order to complete outer shells in electrons bonds can be Ionic; one atom donates or receives electrons Covalent; atoms
More informationCell Walls, the Extracellular Matrix, and Cell Interactions (part 1)
14 Cell Walls, the Extracellular Matrix, and Cell Interactions (part 1) Introduction Many cells are embedded in an extracellular matrix which is consist of insoluble secreted macromolecules. Cells of bacteria,
More informationRESPIRATION Worksheet
A.P. Bio L.C. RESPIRATION Worksheet 1. In the conversion of glucose and oxygen to carbon dioxide and water a) which molecule becomes reduced? b) which molecule becomes oxidized? c) what happens to the
More informationBIOCHEMISTRY #12 BY: AMMAR AL-HABAHBEH فيصل الخطيب. October 11, 2012
BIOCHEMISTRY #12 د. فيصل الخطيب October 11, 2012 BY: AMMAR AL-HABAHBEH The Beginning Degradation and synthesis does not occur in a single step but in several steps where sequence of steps converts starting
More informationThe Structure and Function of Macromolecules
The Structure and Function of Macromolecules I. Polymers What is a polymer? Poly = many; mer = part. A polymer is a large molecule consisting of many smaller sub-units bonded together. What is a monomer?
More informationReading Packet 2- Cells Unit. Chapter 6: A Tour of the Cell 1. What is resolving power?
AP Biology Reading Packet 2- Cells Unit Name Chapter 6: A Tour of the Cell 1. What is resolving power? 2. How is an electron microscope different from a light microscope and what is the difference between
More informationDalkeith High School Higher Human Biology Homework 3
Dalkeith High School Higher Human Biology Homework 3 1. During which of the following chemical conversions is A T P produced? A B C Amino acids protein Glucose pyruvic acid Haemoglobin oxyhaemoglobin energy
More information