Chemistry for Today: General, Orga...

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



Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
Publisher: Cengage Learning
ISBN: 9781305960060
Chapter 20, Problem 20.45E
Textbook Problem

Why are enzyme assays of blood serum useful in a clinical diagnosis?

Interpretation Introduction


The reason as to why enzyme assays of blood serum are useful in a clinical diagnosis is to be stated.

Concept introduction:

Enzymes are organic molecules present in the cells which catalyze biochemical reactions. They speed up the rate of the reaction and remain intact at the end of the reaction. All biochemical reactions in living cells require enzymes to proceed.

Explanation of Solution

Enzyme activity represents the catalytic ability of an enzyme to increase the rate of the reaction. Enzyme assays are experiments that measure the catalytic activity of enzymes. Assays for blood serum are done by determining how fast the color characteristic to the product...

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Chapter 20 Solutions

Chemistry for Today: General, Organic, and Biochemistry
Show all chapter solutions
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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