Question 5.b of 17Enzymes catalyze chemical reactions and increase reaction rates.A key method used by enzymes to catalyze a reaction is toA) stabilize the transition state which decreases theactivation energyB) destabilizing the transition state which increases theactivation energyC) stabilize the enzyme-substrate complex.D) stabilize the enzyme-product complexE) stabilize the enzyme to increase binding of thesubstrate

Enzymes are biological catalysts that play a crucial role in facilitating chemical reactions within…

Answered: Enzymes catalyze chemical reactions and…

Enzymes catalyze chemical reactions and increase reaction rates. A key method used by enzymes to catalyze a reaction is to

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 21.44EP: Based on the graphical information in Problem 21-41 about enzymes A and B indicate whether the...

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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
In the multienzyme sequence shown below, molecules of D are able to fit to the enzyme E1 and prevent the conversion of A to B. What is this action of E called? AE1BE2CE3D a. effector inhibition b. allosteric inhibition c. feedback inhibition d. competitive inhibition by nonproduct
When handling or storing solutions of enzymes, the pH is usually kept near 7.0. Explain why.
What is the general role of enzymes in the human body?
The site on an enzyme molecule that does the catalytic work is called the: a. binding site. b. allosteric site. c. lock. d. active site.
Describe the importance of zymogens in the body. Give an example of an enzyme that has a zymogen.
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.
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).
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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
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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.