Concept explainers
(a)
Interpretation: The substrate for the enzyme, cytochrome oxidase 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, cis-trans isomerase 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, succinate 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.
(d)
Interpretation: The substrate for the enzyme, lactase 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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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_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_forwardWhat is the general role of enzymes in the human body?arrow_forward
- Based 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_forward21-52 What are the chemical and physiological functions of the COX-2 enzyme?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
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