BuyFind

Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
Publisher: Cengage Learning
ISBN: 9781305960060
BuyFind

Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
Publisher: Cengage Learning
ISBN: 9781305960060

Solutions

Chapter 20, Problem 20.75E
Textbook Problem

In the multienzyme sequence shown below, molecules of D are able to fit to the enzyme E 1 and prevent the conversion of A to B. What is this action of E called?

A E 1 B E 2 C E 3 D

a. effector inhibition

b. allosteric inhibition

c. feedback inhibition

d. competitive inhibition by nonproduct

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Chapter 20 Solutions

Chemistry for Today: General, Organic, and Biochemistry
Ch. 20 - Match the following general enzyme names and...Ch. 20 - Because one substrate may undergo a number of...Ch. 20 - Some enzymes consist of protein plus another...Ch. 20 - What are the relationships among the terms...Ch. 20 - State the relationship between vitamins and enzyme...Ch. 20 - List some typical inorganic ions that serve as...Ch. 20 - What vitamins are required for FAD and NAD+...Ch. 20 - Explain what is meant by the following equation:...Ch. 20 - In what way are the substrate and active site of...Ch. 20 - How is enzyme specificity explained by the...Ch. 20 - Compare the lock-and-key theory with the...Ch. 20 - An enzyme can catalyze reactions involving...Ch. 20 - List two ways of describing enzyme activity.Ch. 20 - What observations may be used in experiments to...Ch. 20 - Define the term turnover number.Ch. 20 - What is an enzyme international unit? Why is the...Ch. 20 - Use graphs to illustrate enzyme activity as a...Ch. 20 - Write a single sentence to summarize the...Ch. 20 - What happens to the rate of an enzyme-catalyzed...Ch. 20 - How might Vmax for an enzyme be determined?Ch. 20 - How would you expect hypothermia to affect enzyme...Ch. 20 - When handling or storing solutions of enzymes, the...Ch. 20 - Distinguish between irreversible and reversible...Ch. 20 - Distinguish between competitive and noncompetitive...Ch. 20 - How does each of the following irreversible...Ch. 20 - List an antidote for each of the two poisons in...Ch. 20 - Why is the regulation of enzyme activity...Ch. 20 - List three mechanisms for the control of enzyme...Ch. 20 - Describe the importance of zymogens in the body....Ch. 20 - The clotting of blood occurs by a series of...Ch. 20 - What type of enzyme possesses a binding site for...Ch. 20 - Name and contrast the two types of modulators.Ch. 20 - Explain how feedback enzyme inhibition works and...Ch. 20 - What is meant by genetic control of enzyme...Ch. 20 - Why are enzyme assays of blood serum useful in a...Ch. 20 - How is each of the following enzyme assays useful...Ch. 20 - What are isoenzymes? List two examples of...Ch. 20 - Why is an LDH assay a good initial diagnostic...Ch. 20 - What specific enzyme assays are particularly...Ch. 20 - Carboxypeptidase is a proteolytic enzyme that...Ch. 20 - An enzyme preparation that decarboxylates butanoic...Ch. 20 - Propanoic acid chloride was found to react with...Ch. 20 - 1.01012 enzyme molecules were added to 1.0L of...Ch. 20 - The following reaction has come to equilibrium and...Ch. 20 - Explain how the pasteurization of milk utilizes...Ch. 20 - Explain how food preservation by freezing utilizes...Ch. 20 - Some pottery glazes contain lead compounds. Why...Ch. 20 - Urease can catalyze the hydrolysis of urea, but...Ch. 20 - The active ingredient in meat tenderizer is the...Ch. 20 - Why are enzymes that are used for laboratory or...Ch. 20 - Describe the difference between graphs showing...Ch. 20 - Answer the question associated with Figure 20.3....Ch. 20 - In Figure 20.9, it is noted that pickles resist...Ch. 20 - One of the steps in preparing frozen corn for the...Ch. 20 - What experiment would you conduct to determine if...Ch. 20 - Why might an enzyme be selected over an inorganic...Ch. 20 - Enzymes are enormous molecules, and yet the active...Ch. 20 - Which of the following is not a characteristic of...Ch. 20 - The human body has an average pH of about 7 and a...Ch. 20 - Look at Table 20.4 and identify the proteolytic...Ch. 20 - Saliva contains mucus, water, and _______, which...Ch. 20 - Most human enzymes function best in the...Ch. 20 - The site on an enzyme molecule that does the...Ch. 20 - The process by which an enzyme acts on the...Ch. 20 - In the multienzyme sequence shown below, molecules...

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