Concept explainers
(a)
Interpretation: The substrate for the enzyme, pyruvate carboxylase has to be stated.
Concept introduction: The compound that acts as a catalyst for a biochemical reaction is called enzyme. The human body contains different enzymes because every reaction in a cell needs a specific enzyme.
(b)
Interpretation: The substrate for the enzyme, alcohol dehydrogenase has to be stated.
Concept introduction: The compound that acts as a catalyst for a biochemical reaction is called enzyme. The human body contains different enzymes because every reaction in a cell needs a specific enzyme.
(c)
Interpretation: The substrate for the enzyme, L-amino acid reductase has to be stated.
Concept introduction: The compound that acts as a catalyst for a biochemical reaction is called enzyme. The human body contains different enzymes because every reaction in a cell needs a specific enzyme.
(d)
Interpretation: The substrate for the enzyme, maltase has to be stated.
Concept introduction: The compound that acts as a catalyst for a biochemical reaction is called enzyme. The human body contains different enzymes because every reaction in a cell needs a specific enzyme.
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Check out a sample textbook solutionChapter 21 Solutions
General, Organic, and Biological Chemistry
- Based on the graphical information in Problem 21-41 about enzymes A and B indicate whether the enzyme activity of enzyme B increases or decreases when the following changes in reaction conditions are made. a. pH decreases from 7.6 to 7.2 b. pH increases from 7.2 to 7.4 c. temperature decreases from 37.8C to 37.6C d. temperature increases from 38.2C to 38.4Carrow_forwardBased on the graphical information in Problem 21-41 about enzymes A and B a. What is the optimum pH for enzyme B? b. What is the optimum temperature for enzyme A? c. Which enzyme has the greater activity at a pH of 7.2? d. Which enzyme has the greater activity at a temperature of 37.2C?arrow_forwardWhat type of specificity (absolute, group, linkage, or stereochemical) is associated with each of the following enzymes? a. Sucrase b. A lipase c. A decarboxylase d. L-glutamate oxidasearrow_forward
- Some enzymes consist of protein plus another component. Which of the terms cofactor or coenzyme correctly describes each of the following nonprotein components? a. an inorganic ion b. a nonspecific component c. an organic material d. nicotinic acid.arrow_forwardWhat is an enzyme turnover number?arrow_forwardWhich of the following is not a characteristic of enzymes? a. They are macromolecules. b. They act on substances. c. They are phospholipids. d. They initiate and decelerate chemical reactions. e. They act as catalysts.arrow_forward
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