Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:QUESTION 4
Enzymes increase the rate of a chemical reaction by:
O increasing the amount of activation energy needed.
O decreasing the amount of activation energy needed.
O decreasing the temperature.
O increasing the temperature.
altering the chemical composition of the substrates.

Transcribed Image Text:QUESTION5
When an enzyme is functioning at its optimal conditions, the enzyme;
O denatures.
causes the chemical reaction to proceed slowly.
does not change the rate of the chemical reaction.
causes the number and type of atoms to change.
causes the chemical reaction to proceed rapidly.
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