Course

Microbiology

Study Pack

Set 8 An Introduction To Microbial Metabolism The Chemical Crossroads Of Life

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Question 1

(Multiple Choice)

Free
Enzymes that catalyze removal of carbon dioxide from a substrate are called

A)phosphotransferases.
B)oxidoreductases.
C)decarboxylases.
D)aminotransferases.
E)ligases.

Answer

Question 2

(Multiple Choice)

Free
Which of these enzymes is NOT an exoenzyme?

A)ATP synthase
B)streptokinase
C)penicillinase
D)collagenase
E)elastase

Answer

Question 3

(Multiple Choice)

Free
Each of the following are true of enzymes except

A)they can be used over and over.
B)they may or may not require cofactors.
C)their active site is specific to the substrate.
D)they increase the activation energy of a reaction.
E)All of the choices are true of enzymes.

Answer