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Exam 7: Kinetics and Regulation

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Exam 1: Biochemistry and the Unity of Life44 Questionsadd course
Exam 2: Water, Weak Bonds, and the Generation of Order Out of Chaos43 Questionsadd course
Exam 3: Amino Acids49 Questionsadd course
Exam 4: Protein Three-Dimensional Structure50 Questionsadd course
Exam 5: Techniques in Protein Biochemistry45 Questionsadd course
Exam 6: Basic Concepts of Enzyme Action50 Questionsadd course
Exam 7: Kinetics and Regulation47 Questionsadd course
Exam 8: Mechanisms and Inhibitors48 Questionsadd course
Exam 9: Hemoglobin: an Allosteric Protein47 Questionsadd course
Exam 10: Carbohydrates48 Questionsadd course
Exam 11: Lipids47 Questionsadd course
Exam 12: Membrane Structure and Function50 Questionsadd course
Exam 13: Signal Transduction Pathways49 Questionsadd course
Exam 14: Digestion: Turning a Meal Into Cellular Biochemicals50 Questionsadd course
Exam 15: Metabolism: Basic Concepts and Design47 Questionsadd course
Exam 16: Glycolysis50 Questionsadd course
Exam 17: Gluconeogenesis50 Questionsadd course
Exam 18: Preparation for the Cycle45 Questionsadd course
Exam 19: Harvesting Electrons From the Cycle48 Questionsadd course
Exam 20: The Electron Transport Chain43 Questionsadd course
Exam 21: The Proton-Motive Force45 Questionsadd course
Exam 22: The Light Reactions46 Questionsadd course
Exam 23: The Calvin Cycle48 Questionsadd course
Exam 24: Glycogen Degradation44 Questionsadd course
Exam 25: Glycogen Synthesis44 Questionsadd course
Exam 26: The Pentose Phosphate Pathway43 Questionsadd course
Exam 27: Fatty Acid Degredation46 Questionsadd course
Exam 28: Fatty Acid Synthesis44 Questionsadd course
Exam 29: Lipid Synthesis50 Questionsadd course
Exam 30: Amino Acid Degradation and the Urea Cycle47 Questionsadd course
Exam 31: Amino Acids Synthesis47 Questionsadd course
Exam 32: Nucleotide Metabolism48 Questionsadd course
Exam 33: The Structure of Informational Macromolecules: Dna and Rna45 Questionsadd course
Exam 34: DNA Replication45 Questionsadd course
Exam 35: DNA Repair and Recombination45 Questionsadd course
Exam 36: RNA Synthesis and Regulation in Prokaryotes45 Questionsadd course
Exam 37: Gene Expression in Eukaryotes45 Questionsadd course
Exam 38: RNA Processing in Eukaryotes44 Questionsadd course
Exam 39: The Genetic Code44 Questionsadd course
Exam 40: The Mechanism of Protein Synthesis44 Questionsadd course
Exam 41: Recombinant Dna Techniques45 Questionsadd course
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A protease hydrolyzes the peptide backbone. What is/are the substrate(s) and product for this reaction? Assuming that the concentration of water is so high (~55M) that it does not appreciably change, to what kind of reaction order would one assign this reaction?

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Question 21

The formula V0 = Vmax [S] , indicates the relationship between [S] + KM

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Question 22

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -A reaction with two substrates is considered a(n) _______________ reaction.

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Question 23

Describe the difference between the concerted and the sequential model of allosteric regulation.

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Question 24

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -_______________: A complex array of enzyme reactions organized in multiple pathways.

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Question 25

Given are five KM values for the binding of substrates to a particular enzyme. Which has the strongest affinity when k−1 is greater than k2?

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Question 26

The KM is:

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Question 27

What value of [S], as a fraction of KM, is required to obtain 20% Vmax? [S] equals:

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Question 28

How do the intermediate steps in multisubstrate enzyme mechanisms differ?

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Question 29

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The value V0 is called the _______________.

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Question 30

What is the Michaelis-Menten equation? Define all parameters.

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Question 31

The y-intercept of a Lineweaver-Burk plot is ____________.

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Question 32

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -______________: Experiments that determine the kinetics of a population of enzyme molecules.

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Question 33

Allosteric proteins:

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Question 34

Allosteric effectors:

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Question 35

What does Vmax indicate?

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Question 36

Homotrophic effects of allosteric enzymes:

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Question 37

Multiple substrate enzyme reactions are divided into two classes:

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Question 38

The rate of a reaction is dependent on [ES]. Using an enzyme-catalyzed reaction scheme, Equation (6) p. 107, describe the kinetic model for [ES].

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Question 39

What is the upper limit of kcat/KM?

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Question 40
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