All except which of the following describe a competitive enzyme inhibitor? A) The effect of the inhibitor cannot be reversed by adding more substrate. B) The inhibitor has a structure simila to the substrate. C) The inhibitor competes with the substrate for the active site. D) The addition of more substrate reverses the inhibition.

All except which of the following describe a competitive enzyme inhibitor? A) The effect of the inhibitor cannot be reversed by adding more substrate. B) The inhibitor has a structure simila to the substrate. C) The inhibitor competes with the substrate for the active site. D) The addition of more substrate reverses the inhibition.

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter21: Enzymes And Vitamins

Section: Chapter Questions

Problem 21.49EP

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The human body has an average pH of about 7 and a temperature of about 37C. Use graphs to illustrate enzyme activity in the human body as a function of the following: a. Substrate concentration b. Enzyme concentration c. pH include pH optimum value d. Temperature include temperature optimum value
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 38.4C
Draw a graph that shows the effect of increasing substrate concentration on the rate of an enzyme-catalyzed reaction (at constant temperature, pH, and enzyme concentration).
The process by which an enzyme acts on the substrate can be described by the: a. lock-and-key model. b. enzyme-and-substrate model. c. enzyme folding model. d. catalytic model.