Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 4, Problem 20RA
Suppose you come across a bottle of enzyme tablets at your local health food store. The clerk tells you this enzyme will help your digestion, but you notice that it is derived from a plant. What concerns might you have regarding the effectiveness of these tablets?
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Chapter 4 Solutions
Human Physiology
Ch. 4 - Use the lock-and-key model to explain how enzymes...Ch. 4 - Explain how enzymes are named, and the nature of...Ch. 4 - Draw graphs to represent the effects of changes in...Ch. 4 - Prob. 4CPCh. 4 - Prob. 5aCPCh. 4 - Prob. 5bCPCh. 4 - Prob. 5cCPCh. 4 - Prob. 6aCPCh. 4 - Define the terms exergonic reaction and endergonic...Ch. 4 - Prob. 7aCP
Ch. 4 - Prob. 7bCPCh. 4 - Which of these statements about enzymes is...Ch. 4 - Which of these statements about enzyme-catalyzed...Ch. 4 - Which of these statements about lactate...Ch. 4 - In a metabolic pathway, a. the product of one...Ch. 4 - In an inborn error of metabolism,
a. a genetic...Ch. 4 - Which of these represents an endergonic...Ch. 4 - Which of these statements about ATP is true? a....Ch. 4 - When oxygen is combined with 2 hydrogens to make...Ch. 4 - Enzymes increase the rate of chemical reactions...Ch. 4 - According to the law of mass action, which of...Ch. 4 - Explain the relationship between an enzyme's...Ch. 4 - Explain how the rate of enzymatic reactions may be...Ch. 4 - Explain how end-product inhibition represents a...Ch. 4 - Prob. 14RACh. 4 - The coenzymes NAD and FAD can "shuttle" hydrogens...Ch. 4 - Prob. 16RACh. 4 - Why do we need to eat food containing niacin and...Ch. 4 - Metabolic pathways can be likened to intersecting...Ch. 4 - Prob. 19RACh. 4 - Suppose you come across a bottle of enzyme tablets...Ch. 4 - Describe the energy transformations that occur...Ch. 4 - Use the reversible reactions involving the...Ch. 4 - Use the graph here and in figure 4.4 to answer the...Ch. 4 - Use the graph here and in figure 4.4 to answer the...Ch. 4 - Prob. 25RACh. 4 - Prob. 26RACh. 4 - Prob. 27RA
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- In order to inactivate enzymes involved in cancer, chemists at pharmaceutical companies search for _______ that would ____ the enzyme’s active site. Select one: a. elements, bind to b. molecules, bind to c. elements, repel d. molecules, repelarrow_forwardIn what ways is an enzyme’s function similar to engineers digging a tunnel through a mountain rather than building a road over the peak?arrow_forwardA mother in the kitchen squeezes a small lemon onto a fruit mix to avoid browning. Explain the kitchen technique that the mother used in terms of the Polyphenoloxidase enzyme chemistry you learned from the experiment.arrow_forward
- What technology is used to eliminate the activity of hte enzyme apha-amylase in plants? Biotechnology.arrow_forwardWhich metabolicoption yields more energy, and why?arrow_forwardWhere would the catalase enzyme perform best- in the human blood stream OR in the human stomach? Explain your reasoning for this.arrow_forward
- Molecule A is the substrate for enzyme X. Which is more likely to be a competitive inhibitor of enzyme X: molecule B or molecule C? Explain.arrow_forwardThe function of an enzyme that has medical significance in the health of a patient in the hospital?arrow_forwardYou are performing an experiment in which you are measuring the rate at which succinate is converted to fumarate by the enzyme succinic dehydrogenase. You decide to add a little malonate to make things interesting. You observe that the reaction rate slows markedly and hypothesize that malonate is inhibiting the reaction. Design an experiment that will help you decide whether malonate is acting as a competitive inhibitor or a noncompetitive inhibitor.arrow_forward
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