Microbiology - Enzyme Reaction

Exercise :: Enzyme Reaction - Section 1

  • Enzyme Reaction - Section 1
6. 

If the Keq for an enzymatic reaction is greater than 1, the reaction

A. will be endergonic
B. can not occur without the input of energy
C. both (a) and (b)
D. none of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

7. 

An exergonic reaction is one that

A. requires energy to proceed
B. releases energy for work
C. gives off much heat
D. looses energy

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

8. 

If the free energy change (ΔG) in a reaction is a negative value, it indicates that the

A. reaction releases energy
B. reaction absorbs energy
C. reaction is in negative direction
D. reaction is in positive direction

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

9. 

To a living organism, which of the following has the greatest amount of available energy per molecule?

A. ATP
B. ADP
C. AMP
D. H2O

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

10. 

Which of the following is the best evidence for the lock and key theory of enzyme action?

A. Compounds similar in structure to the substrate inhibit enzyme activity
B. Enzymes are found in living organisms and speed up certain reactions
C. Enzymes speed up reactions by definite amounts
D. Enzymes determine the direction of a reaction

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.