Anatomy and Physiology: An Integrative Approach with Connect Access Card
3rd Edition
ISBN: 9781260254440
Author: Michael McKinley, Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Chapter 3, Problem 3DYB
Summary Introduction
Introduction:
Enzymes are
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All of the following increase enzymatic activity except a. an increase in temperature. b. an increase in pH. c. an increase in concentration of the substrate. d. an increase in concentration of the enzyme that catalyzes the reaction.
Which ONE of the following would be most effective as a feedback mechanism for anenzymatic reaction? A. Reduced concentration of the product B. A change in pH C. Increased concentration of substrate D. Temporary binding of a non-substrate molecule in the active binding site
Which of the following is a primary function of the active site of an enzyme?
a.
It binds allosteric regulators of the enzyme.
b.
It binds noncompetitive inhibitors of the enzyme.
c.
It catalyzes the reaction associated with the enzyme.
d.
It is activated by the presence of the end product of the metabolic pathway in which the enzyme is involved.
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Which of the following statement about the mass spectrometry is true?
a.
Large amount of protein sample is needed for mass spectrum, and thus it is very expensive.
b.
It is a powerful method to determine the 3-dimensional structure of proteins.
c.
It can be sued for protein location in a living cell.
d.
It can be used to measure the molecular weight of proteins.
e.
It can be used to determine the stability of a protein structure in solution.
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Chapter 3 Solutions
Anatomy and Physiology: An Integrative Approach with Connect Access Card
Ch. 3.1 - LEARNING OBJECTIVE
1. Describe the two classes of...Ch. 3.1 - Prob. 1WDLCh. 3.1 - LEARNING OBJECTIVES
2. Describe chemical energy...Ch. 3.1 - Prob. 3LOCh. 3.1 - Muscle contraction is an example of what form of...Ch. 3.1 - Prob. 4LOCh. 3.1 - Prob. 5LOCh. 3.1 - Prob. 3WDLCh. 3.2 - Prob. 6LOCh. 3.2 - Prob. 7LO
Ch. 3.2 - Prob. 4WDLCh. 3.2 - Prob. 8LOCh. 3.2 - Prob. 9LOCh. 3.2 - Prob. 10LOCh. 3.2 - Prob. 11LOCh. 3.2 - Prob. 1WDTCh. 3.2 - For a biochemical reaction that involves simple...Ch. 3.2 - Prob. 6WDLCh. 3.2 - Explain what occurs when the equilibrium is...Ch. 3.2 - Prob. 12LOCh. 3.2 - Prob. 13LOCh. 3.2 - Explain the effect a fever would have on chemical...Ch. 3.2 - Prob. 14LOCh. 3.3 - What is the relationship of enzymes and activation...Ch. 3.3 - Prob. 15LOCh. 3.3 - Prob. 16LOCh. 3.3 - What is the active site of an enzyme and how does...Ch. 3.3 - Prob. 17LOCh. 3.3 - Prob. 18LOCh. 3.3 - What is the mechanism of enzyme action, including...Ch. 3.3 - Prob. 19LOCh. 3.3 - LEARNING OBJECTIVES
20. Describe the naming...Ch. 3.3 - Prob. 2WDTCh. 3.3 - Explain how enzymes are generally named.Ch. 3.3 - Prob. 21LOCh. 3.3 - LEARNING OBJECTIVES
22. Explain the effect of...Ch. 3.3 - Prob. 23LOCh. 3.3 - How do changes in substrate concentration,...Ch. 3.3 - Prob. 24LOCh. 3.3 - How are enzymes regulated through competitive and...Ch. 3.3 - Prob. 25LOCh. 3.3 - LEARNING OBJECTIVES
26. Explain the role of...Ch. 3.3 - LEARNING OBJECTIVES
27. Identify and explain the...Ch. 3.3 - Prob. 15WDLCh. 3.3 - Prob. 16WDLCh. 3.4 - Prob. 28LOCh. 3.4 - LEARNING OBJECTIVES
29. Name the two pathways...Ch. 3.4 - Prob. 30LOCh. 3.4 - Prob. 17WDLCh. 3.4 - Prob. 18WDLCh. 3.4 - Prob. 31LOCh. 3.4 - Prob. 3WDTCh. 3.4 - Prob. 19WDLCh. 3.4 - Prob. 20WDLCh. 3.4 - LEARNING OBJECTIVES
32. Explain the enzymatic...Ch. 3.4 - Prob. 33LOCh. 3.4 - Prob. 21WDLCh. 3.4 - Prob. 34LOCh. 3.4 - Prob. 4WDTCh. 3.4 - Prob. 22WDLCh. 3.4 - Prob. 23WDLCh. 3.4 - Prob. 35LOCh. 3.4 - Prob. 36LOCh. 3.4 - Prob. 24WDLCh. 3.4 - Prob. 25WDLCh. 3.4 - LEARNING OBJECTIVES
37. Calculate the number of...Ch. 3.4 - WHAT DO YOU THINK?
5 Given that energy from each...Ch. 3.4 - Prob. 26WDLCh. 3.4 - LEARNING OBJECTIVES
38. Explain the fate of...Ch. 3.4 - Prob. 39LOCh. 3.4 - Prob. 27WDLCh. 3.4 - Prob. 40LOCh. 3.4 - Prob. 28WDLCh. 3 - Energy in ATP is used to power skeletal muscle...Ch. 3 - Prob. 2DYBCh. 3 - Prob. 3DYBCh. 3 - ATP inhibits phosphofructokinase by binding to an...Ch. 3 - All of the following are accurate about enzymes...Ch. 3 - Prob. 6DYBCh. 3 - Prob. 7DYBCh. 3 - All stages of cellular respiration are decreased...Ch. 3 - Prob. 9DYBCh. 3 - Prob. 10DYBCh. 3 - Prob. 11DYBCh. 3 - Describe the different ways of classifying...Ch. 3 - Prob. 13DYBCh. 3 - Describe the structure and mechanism of enzymes.Ch. 3 - Prob. 15DYBCh. 3 - Prob. 16DYBCh. 3 - In general terms, explain the fate of pyruvate if...Ch. 3 - Describe how oxygen becomes part of water during...Ch. 3 - Identify the source of carbon in carbon dioxide.Ch. 3 - Prob. 20DYBCh. 3 - Prob. 1CALCh. 3 - Prob. 2CALCh. 3 - Another challenge to a patient with impaired...Ch. 3 - Prob. 4CALCh. 3 - Prob. 5CALCh. 3 - Prob. 1CSLCh. 3 - Prob. 2CSLCh. 3 - What occurs to the amount of product formed in a...
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- As you change the temperature from a low temperature to a high temperature what happens to the rate of an enzymatic reaction, in general terms? A The reaction rate will steadily increase as the temperature increases. B The reaction rate will steadily decrease as the temperature increases. C The reaction rate will start low, then increase, and then decrease again as the temperature increases. D The reaction rate will not change as the temperature increases.arrow_forwardAn allosteric inhibitor does which of the following? a. Binds to an enzyme away from the active site and changes the conformation of the active site, increasing its affinity for substrate binding. b. Binds to the active site and blocks it from binding substrate. c. Binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate. d. Binds directly to the active site and mimics the substrate.arrow_forwardOne of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency and the enzyme lacks zinc, it would be referred to as the: a. apoenzyme. b. coenzyme. c. holoenzyme. d. prosthetic group. e. substrate.arrow_forward
- Which of the following statements is TRUE in describing the activity of the lactaseenzyme? A. Lactase is converted to glucoseB. One lactase enzyme can catalyze many reactions C. The shape of lactase does not change during the reaction D. Lactase can function effectively at many different pH levelsarrow_forwardZymogens are NOT enzymatically active, because O A. they are not yet shaped such that essential proximity and orientation catalysis can occur. B. the active site amino acids have been mutated. O C. they have not yet bound the proper cofactor D. they are always smaller than active enzymes.arrow_forwardWhen an enzymatic reaction is in progress, do you expect to see happen to the amount of substrate? A It will increase as the reaction proceeds. B It will decrease as the reaction proceeds. C The amount will not change as reaction proceeds. D It is not possible to predict what will happen to it as the reaction proceeds.arrow_forward
- As you change the pH from a low pH to a high pH what happens to the rate of an enzymatic reaction, in general terms? A The reaction rate will steadily increase as the pH increases. B The reaction rate will steadily decrease as the pH increases. C The reaction rate will start low, then increase, and then decrease again as the pH increases. D The reaction rate will not change as the pH increases.arrow_forwardIndicate whether each of the following statements about an enzyme active site is true or false. a. It is the location where substrate molecules are produced. b. It always has a fixed, rigid geometry. c. It always has a geometrical shape exactly complementary to that of substrate. d. It always accomodates several structurally related substrates. e. It is the location where substrate molecules are converted to product molecules. f. It always has a shape that has a degree of flexibility to it. g. it always accomodates only one specific substrate.arrow_forwardWhich of the following statements concerning enzymes is TRUE? a. Enzymes can increase the equilibrium constant of a reaction by 1000-fold. b. The activity of many enzymes can be regulated. c. Many enzymes are consumed in the reactions they catalyze. d. The rate of enzymatic catalysis is independent of pH.arrow_forward
- The mechanism in which the end product of a metabolic pathway inhibits an either step in the pathway is known as A. Reversible inhibition B. Metabolic inhibition C. Feedback inhibition D. Allosteric inhibition E. Noncoopetative inhibitionarrow_forwardIn an inborn error of metabolism, a. a genetic change results in the production of a defective enzyme. b. intermediates produced prior to the defective step accumulate. c. alternate pathways are taken by intermediates at branch points that precede the defective step. d. All of these are true.arrow_forwardWhich of the following statements about folic acid is not true? a. Folic acid is activated by folate synthase. b. Folic acid structure contains a pteridine ring and para-amino benzoic acid. c. NADPH is required in the reactions activating folic acid. d. Tetrahydrofolate is the biologically active derivative of folic acid.arrow_forward
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