Find this material useful? You can help our team to keep this site up and bring you even more content consider donating via the link on our site.

Size: px
Start display at page:

Download "Find this material useful? You can help our team to keep this site up and bring you even more content consider donating via the link on our site."

Transcription

1 Find this material useful? You can help our team to keep this site up and bring you even more content consider donating via the link on our site. Still having trouble understanding the material? Check out our Tutoring page to find the help you need. Good Luck!

2 120:201 Foundations in Biology Spring, 2016 Sample questions for Exam 1 1) Which of the following functional groups do(es) NOT contain oxygen? a. Amino b. Carboxyl c. Carbonyl d. Phosphate e. Hydroxyl 2) Which of the following functional groups is(are) a base? a. Amino b. Carboxyl c. Carbonyl d. Phosphate e. Hydroxyl 3) In the following picture, which molecule(s) is(are) proteins? A B C a. A b. B c. C d. both A and B e. both A and C 4) A molecule of X contains less free energy than a molecule of Y. This could be because X has a. more entropy b. less entropy c. more enthalpy d. less enthalpy e. a or d 5) Which of the following cellular organelles has a double membrane? a. smooth ER b. rough ER c. golgi d. mitochondria e. all of the above

3 6) Which of the following types of bonds are shown in the following picture? a. α-glycosidic b. β-glycosidic c. γ-glycosidic d. α-peptide e. β-peptide 7) What type of molecule is shown in the following picture? a. polysaccharide b. polypeptide c. DNA d. RNA e. none of the above 8) For a reaction A B if G o = 0 then a. the Keq > 1 b. the Keq = 1 c. the Keq < 1 d. Any of the above MAY be correct e. Actually there is no relationship between Keq and G o 9) The function of cellular catabolic pathways which start with glucose is to a. produce the end products b. produce energy c. decrease the amount of glucose in the cell 10) The cellular organelle which is involved in the process of phagocytosis is the a. endoplasmic reticulum b. nucleus c. mitochondria d. golgi e. lysosome 11) In metabolism, the energy released by exergonic reactions may be used to drive the endergonic ATP reaction a. synthesis b. hydrolysis c. oxidation d. reduction e. breakdown

4 12) The arrow in the following picture is pointing to a bond in which 2 carbon atoms a. are held together by interactions of + and charges (ionic) b. are held together by interactions of polar and non-polar atoms c. share electrons d. share hydrogens e. share protons 13) In the following picture, the structures in the box are known as a. side chains b. R groups c. monosaccharides 14) In most oxidation-reduction reactions which are part of catabolic pathways, are reduced. a. ATP molecules b. cofactors (like NAD+); c. metabolites d. oxygen molecules e. water molecules 15) Sucrose ( table sugar ) cannot be given to patients i.v. (intravenously) instead of glucose because a. it is a disaccharide b. the patient may be on a low carb diet c. the patient may be allergic d. it is much more expensive e. actually it can be given i.v. 16) The correct explanation for what it means for a molecule to be hydrophobic is that it a. is afraid of water b. hates water c. is more stable near water molecules d. is less stable near water molecules e. resembles the rabies virus

5 17) In the following biosynthetic metabolic pathway, the enzyme which is most likely to be subject to feedback inhibition by compound T is the one which converts A B C D Q R S T U V W X a. W to X b. S to T c. D to U d. D to Q e. A to B 18) The following is a graph of the free energy content of 2 molecules. G X Y We can conclude from the graph that a molecule of X is than a molecule of Y a. more stable b. less stable c. more polar d. less polar e. none of the above 19) Which of the following has the chemical formula C 6 H 12 O 6? a. glucose b. galactose c. lactose 20) As can be seen in the following picture, in ATP there are negative charges on the phosphates which are forced to be near each other. The conversion of ATP to ADP + Pi, allows them to move away from one another. This results in the reaction having a(n) a. favorable G o b. favorable H o c. unfavorable H o

1- Which of the following statements is TRUE in regards to eukaryotic and prokaryotic cells?

1- 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 information

3. Hydrogen bonds form between which atoms? Between an electropositive hydrogen and an electronegative N, O or F.

3. Hydrogen bonds form between which atoms? Between an electropositive hydrogen and an electronegative N, O or F. Chemistry of Life Answers 1. Differentiate between an ionic and covalent bond. Provide an example for each. Ionic: occurs between metals and non-metals, e.g., NaCl Covalent: occurs between two non-metals;

More information

Biological Molecules

Biological Molecules The Chemical Building Blocks of Life Chapter 3 Biological molecules consist primarily of -carbon bonded to carbon, or -carbon bonded to other molecules. Carbon can form up to 4 covalent bonds. Carbon may

More information

The Chemical Building Blocks of Life. Chapter 3

The Chemical Building Blocks of Life. Chapter 3 The Chemical Building Blocks of Life Chapter 3 Biological Molecules Biological molecules consist primarily of -carbon bonded to carbon, or -carbon bonded to other molecules. Carbon can form up to 4 covalent

More information

Will s Pre-Test. (4) A collection of cells that work together to perform a function is termed a(n): a) Organelle b) Organ c) Cell d) Tissue e) Prison

Will s Pre-Test. (4) A collection of cells that work together to perform a function is termed a(n): a) Organelle b) Organ c) Cell d) Tissue e) Prison Will s Pre-Test This is a representative of Exam I that you will take Tuesday September 18, 2007. The actual exam will be 50 multiple choice questions. (1) The basic structural and functional unit of the

More information

A. Incorrect! No, this is not the description of this type of molecule. B. Incorrect! No, this is not the description of this type of molecule.

A. Incorrect! No, this is not the description of this type of molecule. B. Incorrect! No, this is not the description of this type of molecule. Biochemistry - Problem Drill 08: Carbohydrates No. 1 of 10 1. have one aldehyde (-CHO) or one keto (-C=O) group and many hydroxyl (-OH) groups. (A) Amino acids (B) Proteins (C) Nucleic Acids (D) Carbohydrates

More information

Macromolecules. 3. There are several levels of protein structure, the most complex of which is A) primary B) secondary C) tertiary D) quaternary

Macromolecules. 3. There are several levels of protein structure, the most complex of which is A) primary B) secondary C) tertiary D) quaternary Macromolecules 1. If you remove all of the functional groups from an organic molecule so that it has only carbon and hydrogen atoms, the molecule become a molecule. A) carbohydrate B) carbonyl C) carboxyl

More information

Find this material useful? You can help our team to keep this site up and bring you even more content consider donating via the link on our site.

Find this material useful? You can help our team to keep this site up and bring you even more content consider donating via the link on our site. Find this material useful? You can help our team to keep this site up and bring you even more content consider donating via the link on our site. Still having trouble understanding the material? Check

More information

/ The following functional group is a. Aldehyde c. Carboxyl b. Ketone d. Amino

/ The following functional group is a. Aldehyde c. Carboxyl b. Ketone d. Amino Section A: Multiple Choice Select the answer that best answers the following questions. Please write your selected choice on the line provided, in addition to circling the answer. /25 1. The following

More information

Review Quizzes Chapters 1-5

Review Quizzes Chapters 1-5 Review Quizzes Chapters 1-5 1.Which of the following constitutes the quarternary level of protein structure? a. bonding between side chains of amino acids b. sequence of amino acids joined by peptide bonds

More information

Biochemistry: Macromolecules

Biochemistry: Macromolecules 1 Biology: Macromolecules 2 Carbohydrates Carbohydrate organic compound containing carbon, hydrogen, & oxygen in a 1:2:1 ratio Meaning: hydrated carbon ratio of h:0 is 2:1 (same as in water) Source: plants

More information

Chapter 3. Table of Contents. Section 1 Carbon Compounds. Section 2 Molecules of Life. Biochemistry

Chapter 3. Table of Contents. Section 1 Carbon Compounds. Section 2 Molecules of Life. Biochemistry Biochemistry Table of Contents Section 1 Carbon Compounds Section 2 Molecules of Life Section 1 Carbon Compounds Objectives Distinguish between organic and inorganic compounds. Explain the importance of

More information

Exam 1 SC135 spring 2011 Page 1

Exam 1 SC135 spring 2011 Page 1 xam 1 S135 spring 2011 Page 1 Name: ate: 1 Which other item is worth the same (has the same weight) as your lecture exams toward your final grade? quizzes writing assignments participation presentation

More information

Biological Molecules

Biological Molecules Chemical Building Blocks of Life Chapter 3 Biological Molecules Biological molecules consist primarily of -carbon bonded to carbon, or -carbon bonded to other molecules. Carbon can form up to 4 covalent

More information

Midterm Exam BIO105K NAME

Midterm Exam BIO105K NAME Midterm Exam BIO105K NAME You can write your name here, but you don t need to. Please write your name using a pencil on the bubble sheet (last name, then first) and fill in the circles below your name.

More information

1 A *Copyright Michigan State University. Unauthorized copying or distribution is punishable by law.*

1 A *Copyright Michigan State University. Unauthorized copying or distribution is punishable by law.* Midterm Exam Note: Before beginning, please scan the entire exam so that you can budget your time. If necessary you may request a "challenge sheet" to present alternate interpretations of questions, but

More information

From Atoms to Cells: Fundamental Building Blocks. Models of atoms. A chemical connection

From 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 information

Biology 12 - Biochemistry Practice Exam

Biology 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 information

Competitive Inhibitor

Competitive Inhibitor is a substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics. Competitive Inhibitor Identify the following molecule: Polysaccharide

More information

Carbon. Isomers. The Chemical Building Blocks of Life

Carbon. Isomers. The Chemical Building Blocks of Life The Chemical Building Blocks of Life Carbon Chapter 3 Framework of biological molecules consists primarily of carbon bonded to Carbon O, N, S, P or H Can form up to 4 covalent bonds Hydrocarbons molecule

More information

An Introduction to Carbohydrates

An Introduction to Carbohydrates An Introduction to Carbohydrates Carbohydrates are a large class of naturally occurring polyhydroxy aldehydes and ketones. Monosaccharides also known as simple sugars, are the simplest carbohydrates containing

More information

BIOCHEMISTRY. How Are Macromolecules Formed? Dehydration Synthesis or condensation reaction Polymers formed by combining monomers and removing water.

BIOCHEMISTRY. How Are Macromolecules Formed? Dehydration Synthesis or condensation reaction Polymers formed by combining monomers and removing water. BIOCHEMISTRY Organic compounds Compounds that contain carbon are called organic. Inorganic compounds do not contain carbon. Carbon has 4 electrons in outer shell. Carbon can form covalent bonds with as

More information

Learning Target: Describe characteristics and functions of carbohydrates, lipids, and proteins. Compare and contrast the classes of organic

Learning Target: Describe characteristics and functions of carbohydrates, lipids, and proteins. Compare and contrast the classes of organic Learning Target: Describe characteristics and functions of carbohydrates, lipids, and proteins. Compare and contrast the classes of organic compounds. What are inorganic molecules? Molecules that CANNOT

More information

The. Crash Course. Basically, almost all living things are made up of these 4 Elements: - Carbon (C) - Nitrogen (N) - Hydrogen (H) - Oxygen (O)

The. Crash Course. Basically, almost all living things are made up of these 4 Elements: - Carbon (C) - Nitrogen (N) - Hydrogen (H) - Oxygen (O) The Biochemistry Crash Course Basically, almost all living things are made up of these 4 Elements: - Carbon (C) - Nitrogen (N) - Hydrogen (H) - Oxygen (O) This exercise is designed to familiarize you with

More information

Macromolecules. The four groups of biomolecules or macromolecules found in living things which are essential to life are: 1. PROTEINS 1.

Macromolecules. The four groups of biomolecules or macromolecules found in living things which are essential to life are: 1. PROTEINS 1. Macromolecules The four groups of biomolecules or macromolecules found in living things which are essential to life are: 1. PROTEINS 1. CARBOHYDRATES 1. LIPIDS 1. NUCLEIC ACIDS Carbon Compounds All compounds

More information

Name: Date: Block: Biology 12

Name: Date: Block: Biology 12 Name: Date: Block: Biology 12 Provincial Exam Review: Cell Processes and Applications January 2003 Use the following diagram to answer questions 1 and 2. 1. Which labelled organelle produces most of the

More information

Carbohydrates. 1. Using the terms provided below, complete the concept map showing the characteristics of organic compounds.

Carbohydrates. 1. Using the terms provided below, complete the concept map showing the characteristics of organic compounds. Name: Class: Date: Grade 10 Science Related Reading/Biology Carbohydrates Biology Gr10 1. Using the terms provided below, complete the concept map showing the characteristics of organic compounds. maltose

More information

The further from the nucleus, the higher the electron s energy Valence shell electrons participate in biological reactions

The 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 information

Macro molecule = is all the reactions that take place in cells, the sum of all chemical reactions that occur within a living organism Anabolism:

Macro molecule = is all the reactions that take place in cells, the sum of all chemical reactions that occur within a living organism Anabolism: Macromolecule Macro molecule = molecule that is built up from smaller units The smaller single subunits that make up macromolecules are known as Joining two or more single units together form a M is all

More information

Bioenergetics. Chapter 3. Objectives. Objectives. Introduction. Photosynthesis. Energy Forms

Bioenergetics. Chapter 3. Objectives. Objectives. Introduction. Photosynthesis. Energy Forms Objectives Chapter 3 Bioenergetics Discuss the function of cell membrane, nucleus, & mitochondria Define: endergonic, exergonic, coupled reactions & bioenergetics Describe how enzymes work Discuss nutrients

More information

An Introduction to Carbohydrates

An Introduction to Carbohydrates An Introduction to Carbohydrates Carbohydrates are a large class of naturally occurring polyhydroxy aldehydes and ketones. Monosaccharides also known as simple sugars, are the simplest carbohydrates containing

More information

Honors Biology Chapter 3: The Molecules of Cells Name Amatuzzi Carbohydrates pp Homework

Honors Biology Chapter 3: The Molecules of Cells Name Amatuzzi Carbohydrates pp Homework Honors Biology Chapter 3: The Molecules of Cells Name Amatuzzi Carbohydrates pp. 37-39 1. Which elements make up carbohydrates? a. In which ratio? 2. How do living things use most of their carbohydrates?

More information

Organic Molecules. 8/27/2004 Mr. Davenport 1

Organic Molecules. 8/27/2004 Mr. Davenport 1 Organic Molecules 8/27/2004 Mr. Davenport 1 Carbohydrates Commonly called sugars and starches Consist of C, H, O with H:O ration 2:1 Usually classified as to sugar units Monosaccharide are single sugar

More information

Elements & Macromolecules in Organisms

Elements & Macromolecules in Organisms Name: Period: Date: Elements & Macromolecules in Organisms Most common elements in living things are carbon, hydrogen, nitrogen, and oxygen. These four elements constitute about 95% of your body weight.

More information

Chapter 5 Structure and Function Of Large Biomolecules

Chapter 5 Structure and Function Of Large Biomolecules Formation of Macromolecules Monomers Polymers Macromolecules Smaller larger Chapter 5 Structure and Function Of Large Biomolecules monomer: single unit dimer: two monomers polymer: three or more monomers

More information

Biological Molecules. Carbohydrates, Proteins, Lipids, and Nucleic Acids

Biological Molecules. Carbohydrates, Proteins, Lipids, and Nucleic Acids Biological Molecules Carbohydrates, Proteins, Lipids, and Nucleic Acids Organic Molecules Always contain Carbon (C) and Hydrogen (H) Carbon is missing four electrons Capable of forming 4 covalent bonds

More information

BIOL 1103 AT. Facilitators do not bring copies of the mock exam to the session. Please print out and complete the exam before you attend.

BIOL 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 information

Molecule - two or more atoms held together by covalent bonds. Ex. = water, H O

Molecule - two or more atoms held together by covalent bonds. Ex. = water, H O ORGANIC CHEMISTRY NOTES Why study carbon? ORGANIC CHEMISTRY NOTES Why study carbon? * All of life is built on carbon * Cells are made up of about 72% water 3% salts (NaCl, and K) 25% carbon compounds which

More information

Unit #2: Biochemistry

Unit #2: Biochemistry Unit #2: Biochemistry STRUCTURE & FUNCTION OF FOUR MACROMOLECULES What are the four main biomolecules? How is each biomolecule structured? What are their roles in life? Where do we find them in our body?

More information

For questions 1-4, match the carbohydrate with its size/functional group name:

For questions 1-4, match the carbohydrate with its size/functional group name: Chemistry 11 Fall 2009 Examination #5 ANSWER KEY For the first portion of this exam, select the best answer choice for the questions below and mark the answers on your scantron. Then answer the free response

More information

Can you explain that monomers are smaller units from which larger molecules are made?

Can you explain that monomers are smaller units from which larger molecules are made? Biological molecules Can you explain that all living things have a similar biochemical basis? Can you explain that monomers are smaller units from which larger molecules are made? Can you describe polymers

More information

Test Review Worksheet 1 Name: Per:

Test 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 information

Chapter 3 Guided Reading Notes Carbon and the Molecular Diversity of Life

Chapter 3 Guided Reading Notes Carbon and the Molecular Diversity of Life AP Biology Name: Block Chapter 3 Guided Reading Notes Carbon and the Molecular Diversity of Life Most of this chapter is new material. We will discuss it all in detail. Section 1 1. Make an electron distribution

More information

B.4B Cellular Processes

B.4B Cellular Processes B.4B Cellular Processes Picture Vocabulary homeostasis The process of maintaining a constant state of balance cell membrane Cell part surrounding the cytoplasm and is also a barrier between the inside

More information

BIOLOGICAL MOLECULES REVIEW-UNIT 1 1. The factor being tested in an experiment is the A. data. B. variable. C. conclusion. D. observation. 2.

BIOLOGICAL MOLECULES REVIEW-UNIT 1 1. The factor being tested in an experiment is the A. data. B. variable. C. conclusion. D. observation. 2. BIOLOGICAL MOLECULES REVIEW-UNIT 1 1. The factor being tested in an experiment is the A. data. B. variable. C. conclusion. D. observation. 2. A possible explanation for an event that occurs in nature is

More information

CARBOHYDRATES. Produce energy for living things Atoms? Monomer Examples? Carbon, hydrogen, and oxygen in 1:2:1 ratio.

CARBOHYDRATES. Produce energy for living things Atoms? Monomer Examples? Carbon, hydrogen, and oxygen in 1:2:1 ratio. CARBOHYDRATES Produce energy for living things Atoms? Carbon, hydrogen, and oxygen in 1:2:1 ratio Monomer Examples? Sugars, starches MONOSACCHARIDES--- main source of energy for cells Glucose Know formula?

More information

MULTIPLE CHOICE QUESTIONS

MULTIPLE CHOICE QUESTIONS MULTIPLE CHOICE QUESTIONS 1. Which of the following statements concerning anabolic reactions is FALSE? A. They are generally endergonic. B. They usually require ATP. C. They are part of metabolism. D.

More information

6/15/2015. Biological Molecules. Outline. Organic Compounds. Organic Compounds - definition Functional Groups Biological Molecules. What is organic?

6/15/2015. Biological Molecules. Outline. Organic Compounds. Organic Compounds - definition Functional Groups Biological Molecules. What is organic? Biological Molecules Biology 105 Lecture 3 Reading: Chapter 2 (pages 29 39) Outline Organic Compounds - definition Functional Groups Biological Molecules Carbohydrates Lipids Amino Acids and Proteins Nucleotides

More information

Water: 1. The bond between water molecules is a(n) a. ionic bond b. covalent bond c. polar covalent bond d. hydrogen bond

Water: 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 information

Carbohydrates. Monosaccharides

Carbohydrates. Monosaccharides Carbohydrates Carbohydrates (also called saccharides) are molecular compounds made from just three elements: carbon, hydrogen and oxygen. Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose)

More information

KEY NAME (printed very legibly) UT-EID

KEY 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 information

Bio 12 Chapter 2 Test Review

Bio 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 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

WHY IS THIS IMPORTANT?

WHY IS THIS IMPORTANT? CHAPTER 2 FUNDAMENTAL CHEMISTRY FOR MICROBIOLOGY WHY IS THIS IMPORTANT? An understanding of chemistry is essential to understand cellular structure and function, which are paramount for your understanding

More information

4. Which step shows a split of one molecule into two smaller molecules? a. 2. d. 5

4. Which step shows a split of one molecule into two smaller molecules? a. 2. d. 5 1. Which of the following statements about NAD + is false? a. NAD + is reduced to NADH during both glycolysis and the citric acid cycle. b. NAD + has more chemical energy than NADH. c. NAD + is reduced

More information

Aim: What are the molecules of life?

Aim: What are the molecules of life? Aim: What are the molecules of life? Do Now: List the elements & compounds cycled through ecosystems. Homework: Read pp. 59 63 P. 63 # 1,2,3,4,5 Vocabulary: Carbohydrate, lipid, protein, amino acid, nucleic

More information

9.A compare the structures and functions of different types of biomolecules, including carbohydrates, lipids, proteins, and nucleic acids

9.A compare the structures and functions of different types of biomolecules, including carbohydrates, lipids, proteins, and nucleic acids 9.A compare the structures and functions of different types of biomolecules, including carbohydrates, lipids, proteins, and nucleic acids o o o Food is a good source of one or more of the following: protein,

More information

Physiological Chemistry II Exam IV Dr. Melissa Kelley April 13, 2004

Physiological 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 information

CELLS. Cells. Basic unit of life (except virus)

CELLS. 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 information

Mock Exam 1 Biology 123 SI 1. Sodium and Lithium are two different elements, yet they react very similarly. What is the best explanation for this. a.

Mock Exam 1 Biology 123 SI 1. Sodium and Lithium are two different elements, yet they react very similarly. What is the best explanation for this. a. Mock Exam 1 Biology 123 SI 1. Sodium and Lithium are two different elements, yet they react very similarly. What is the best explanation for this. a. They have the same number of electron shells. b. They

More information

Carbohydrates. Mark Scheme. Save My Exams! The Home of Revision. Exam Board 3.1 Biological Molecules Carbohydrates. Page 1.

Carbohydrates. Mark Scheme. Save My Exams! The Home of Revision. Exam Board 3.1 Biological Molecules Carbohydrates. Page 1. Carbohydrates Mark Scheme Level Subject Exam Board Module Topic Booklet A Level Biology AQA 3.1 Biological Molecules 3.1. Carbohydrates Mark Scheme Time Allowed: 59 minutes Score: /4 Percentage: /100 Grade

More information

Carbohydrates. Organic compounds which comprise of only C, H and O. C x (H 2 O) y

Carbohydrates. Organic compounds which comprise of only C, H and O. C x (H 2 O) y Carbohydrates Organic compounds which comprise of only C, H and O C x (H 2 O) y Carbohydrates Monosaccharides Simple sugar Soluble in water Precursors in synthesis triose sugars of other (C3) molecules

More information

CP Biology Chapter 2: Molecules of Life Name Amatuzzi #1: Carbohydrates pp Period Homework

CP Biology Chapter 2: Molecules of Life Name Amatuzzi #1: Carbohydrates pp Period Homework Amatuzzi #1: Carbohydrates pp. 46-47 Period 1. Which elements make up carbohydrates? a. In which ratio? 2. How do living things use most of their carbohydrates? 3. How do cells get energy from carbs? a.

More information

Chapter 5: The Structure and Function of Large Biological Molecules

Chapter 5: The Structure and Function of Large Biological Molecules Chapter 5: The Structure and Function of Large Biological Molecules 1. Name the four main classes of organic molecules found in all living things. Which of the four are classified as macromolecules. Define

More information

Lesson Overview. Carbon Compounds. Lesson Overview. 2.3 Carbon Compounds

Lesson Overview. Carbon Compounds. Lesson Overview. 2.3 Carbon Compounds Lesson Overview 2.3 The Chemistry of Carbon What elements does carbon bond with to make up life s molecules? Carbon can bond with many elements, including Hydrogen, Oxygen, Phosphorus, Sulfur, and Nitrogen

More information

All living things are mostly composed of 4 elements: H, O, N, C honk Compounds are broken down into 2 general categories: Inorganic Compounds:

All living things are mostly composed of 4 elements: H, O, N, C honk Compounds are broken down into 2 general categories: Inorganic Compounds: Organic Chemistry All living things are mostly composed of 4 elements: H, O, N, C honk Compounds are broken down into 2 general categories: Inorganic Compounds: Do not contain carbon Organic compounds

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Practice Quiz 1 AP Bio Sept 2016 Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The element present in all organic molecules is A) hydrogen.

More information

Unit 3: Chemistry of Life Mr. Nagel Meade High School

Unit 3: Chemistry of Life Mr. Nagel Meade High School Unit 3: Chemistry of Life Mr. Nagel Meade High School IB Syllabus Statements 3.2.1 Distinguish between organic and inorganic compounds. 3.2.2 Identify amino acids, glucose, ribose and fatty acids from

More information

Bio 103 Section A02 Summer 2003 Exam #2 Study Guide Dr. Largen

Bio 103 Section A02 Summer 2003 Exam #2 Study Guide Dr. Largen Chapter 4 - Cell Structure Bio 103 Section A02 Summer 2003 Exam #2 Study Guide Dr. Largen Microscopes provide windows to the world of the cell compare light versus electron microscopes illumination type

More information

OVERVIEW OF RESPIRATION AND LOOSE ENDS. What agents? What war?

OVERVIEW OF RESPIRATION AND LOOSE ENDS. What agents? What war? 5.19.06 OVERVIEW OF RESPIRATION AND LOOSE ENDS What agents? What war? 1 Ubiquinone or Coenzyme Q: small hydrophobic molecule that can pick up or donate electrons The respiratory chain contains 3 large

More information

Biological molecules

Biological molecules Biological molecules 04-04-16 Announcements Your lab report 1 is due now Quiz 1 is on Wednesday at the beginning of class, so don t be late Review Macromolecues are large molecules necessary for life made

More information

Biochemistry. 2. Besides carbon, name 3 other elements that make up most organic compounds.

Biochemistry. 2. Besides carbon, name 3 other elements that make up most organic compounds. Biochemistry Carbon compounds Section 3-1 1. What is an organic compound? 2. Besides carbon, name 3 other elements that make up most organic compounds. 3. Carbon dioxide, CO 2, is NOT an organic compound.

More information

Biological Molecules. Biol 105 Reading Chapter 2 (pages 31 39)

Biological Molecules. Biol 105 Reading Chapter 2 (pages 31 39) Biological Molecules Biol 105 Reading Chapter 2 (pages 31 39) Outline Organic compounds - definition Functional Groups Biological Molecules Carbohydrates Lipids Proteins Nucleic Acids (DNA, RNA) Organic

More information

Chemical Energy. Valencia College

Chemical Energy. Valencia College 9 Pathways that Harvest Chemical Energy Valencia College 9 Pathways that Harvest Chemical Energy Chapter objectives: How Does Glucose Oxidation Release Chemical Energy? What Are the Aerobic Pathways of

More information

Introduction to Carbohydrate metabolism

Introduction to Carbohydrate metabolism Introduction to Carbohydrate metabolism Some metabolic pathways of carbohydrates 1- Glycolysis 2- Krebs cycle 3- Glycogenesis 4- Glycogenolysis 5- Glyconeogenesis - Pentose Phosphate Pathway (PPP) - Curi

More information

Chemistry of Carbon. All living things rely on one particular type of molecule: carbon

Chemistry of Carbon. All living things rely on one particular type of molecule: carbon Ach Chemistry of Carbon All living things rely on one particular type of molecule: carbon Carbon atom with an outer shell of four electrons can form covalent bonds with four atoms. In organic molecules,

More information

Objectives. Carbon Bonding. Carbon Bonding, continued. Carbon Bonding

Objectives. Carbon Bonding. Carbon Bonding, continued. Carbon Bonding Biochemistry Table of Contents Objectives Distinguish between organic and inorganic compounds. Explain the importance of carbon bonding in biological molecules. Identify functional groups in biological

More information

The Cell and Its Chemical Compounds

The Cell and Its Chemical Compounds Cell Theory Cell - The basic unit of structure and function in living things. All of an organism s process or functions are carried out in the cell. Robert Hooke - One of the first people to observe cells

More information

CHAPTER 2- BIOCHEMISTRY I. WATER (VERY IMPORTANT TO LIVING ORGANISMS) A. POLAR COMPOUND- 10/4/ H O KENNEDY BIOLOGY 1AB

CHAPTER 2- BIOCHEMISTRY I. WATER (VERY IMPORTANT TO LIVING ORGANISMS) A. POLAR COMPOUND- 10/4/ H O KENNEDY BIOLOGY 1AB CHAPTER 2- BIOCHEMISTRY KENNEDY BIOLOGY 1AB I. WATER (VERY IMPORTANT TO LIVING ORGANISMS) WATER S UNIQUE PROPERTIES MAKE IT ESSENTIAL FOR ALL LIFE FUNCTIONS IT IS POLAR, AND HAS BOTH ADHESIVE AND COHESIVE

More information

Zool 3200: Cell Biology Exam 1 1/30/15

Zool 3200: Cell Biology Exam 1 1/30/15 Name: TRASK Zool 3200: Cell Biology Exam 1 1/30/15 Answer each of the following short- and long- answer questions in the space provided; circle the BEST answer or answers for each of the multiple choice

More information

Biochemistry.notebook. October 18, Oct 4 10:25 AM. Nov 23 8:14 AM. Aim: What are the molecules that make up living organisms?

Biochemistry.notebook. October 18, Oct 4 10:25 AM. Nov 23 8:14 AM. Aim: What are the molecules that make up living organisms? Aim: What are the molecules that make up living organisms? Do Now: Locate Oxygen, carbon, Nitrogen, Hydrogen, and water on the Periodic Table : Study for test Thursday Read pp. 51 54 Copy & answer p. 54

More information

2.2 Cell Construction

2.2 Cell Construction 2.2 Cell Construction Elemental composition of typical bacterial cell C 50%, O 20%, N 14%, H 8%, P 3%, S 1%, and others (K +, Na +, Ca 2+, Mg 2+, Cl -, vitamin) Molecular building blocks Lipids Carbohydrates

More information

Details of Organic Chem! Date. Carbon & The Molecular Diversity of Life & The Structure & Function of Macromolecules

Details of Organic Chem! Date. Carbon & The Molecular Diversity of Life & The Structure & Function of Macromolecules Details of Organic Chem! Date Carbon & The Molecular Diversity of Life & The Structure & Function of Macromolecules Functional Groups, I Attachments that replace one or more of the hydrogens bonded to

More information

Chapter Three (Biochemistry)

Chapter Three (Biochemistry) Chapter Three (Biochemistry) 1 SECTION ONE: CARBON COMPOUNDS CARBON BONDING All compounds can be classified in two broad categories: organic compounds and inorganic compounds. Organic compounds are made

More information

2 3 Carbon Compounds (Macromolecules)

2 3 Carbon Compounds (Macromolecules) 2 3 Carbon Compounds (Macromolecules) Slide 1 of 37 Organic Chemistry Organic chemistry is the study of all compounds that contain bonds between carbon atoms. Slide 2 of 37 Carbon Living organisms are

More information

AS Level Paper 1 and 2. A2 Level Paper 1 and 3 - Topics 1-4

AS 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 information

Chapter 2 pt 2. Atoms, Molecules, and Life. Gregory Ahearn. John Crocker. Including the lecture Materials of

Chapter 2 pt 2. Atoms, Molecules, and Life. Gregory Ahearn. John Crocker. Including the lecture Materials of Chapter 2 pt 2 Atoms, Molecules, and Life Including the lecture Materials of Gregory Ahearn University of North Florida with amendments and additions by John Crocker Copyright 2009 Pearson Education, Inc..

More information

The Structure and Function of Macromolecules

The 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 information

Ch18. Metabolism. Chemical processes that maintain life. From the Greek metabole change." version 1.0

Ch18. Metabolism. Chemical processes that maintain life. From the Greek metabole change. version 1.0 Ch18 Metabolism Chemical processes that maintain life. From the Greek metabole change." version 1.0 Nick DeMello, PhD. 2007-2015 Ch18 Metabolism Metabolism Defined Metabolic Pathways Energy stored as ATP

More information

Scantron Instructions

Scantron 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 information

Copyright 2014 Edmentum - All rights reserved.

Copyright 2014 Edmentum - All rights reserved. Study Island Copyright 2014 Edmentum - All rights reserved. Generation Date: 04/01/2014 Generated By: Cheryl Shelton Title: Science- biology Cells 1. Below is an image of a plant cell. What processes require

More information

CELLULAR METABOLISM. Metabolic pathways can be linear, branched, cyclic or spiral

CELLULAR METABOLISM. Metabolic pathways can be linear, branched, cyclic or spiral CHM333 LECTURE 24 & 25: 3/27 29/13 SPRING 2013 Professor Christine Hrycyna CELLULAR METABOLISM What is metabolism? - How cells acquire, transform, store and use energy - Study reactions in a cell and how

More information

Chapter 2 The Chemistry of Life Part 2

Chapter 2 The Chemistry of Life Part 2 Chapter 2 The Chemistry of Life Part 2 Carbohydrates are Polymers of Monosaccharides Three different ways to represent a monosaccharide Carbohydrates Carbohydrates are sugars and starches and provide

More information

Do Now: Sort the following into the order of life from smallest to largest:

Do Now: Sort the following into the order of life from smallest to largest: Do Now: Sort the following into the order of life from smallest to largest: organ, molecule, atom, organelle, cell, organ system, tissue, organism Correct Order: atom, molecule, organelle, cell, tissue,

More information

Biological Chemistry. Is biochemistry fun? - Find it out!

Biological 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 information

OCR (A) Biology A-level

OCR (A) Biology A-level OCR (A) Biology A-level Topic 2.2: Biological molecules Notes Water Water is a very important molecule which is a major component of cells, for instance: Water is a polar molecule due to uneven distribution

More information

3. Describe the study in mimicry, using king snakes and coral snakes. Identify the control in the experiment.

3. Describe the study in mimicry, using king snakes and coral snakes. Identify the control in the experiment. Biology Semester 1 Exam Review Guide Chapter 1 Biology in the 21 st Century 1. Distinguish between the following key terms: Biology Name : Pd: Hypothesis Variable Controlled experiment Theory Model Technology

More information

7 Pathways That Harvest Chemical Energy

7 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 information

Bell Work. b. is wrong because combining two glucose molecules requires energy, it does not release energy

Bell Work. b. is wrong because combining two glucose molecules requires energy, it does not release energy Bell Work How is energy made available to the cell to move large starch molecules across the cell membrane through the process of endocytosis? a. removing a phosphate from ATP b. combining two glucose

More information