Enzymes

Question: Enzyme-driven metabolic pathways can be made more efficient by
[A].

concentrating enzymes within specific cellular compartments

[B].

grouping enzymes into free-floating, multienzyme complexes

[C].

fixing enzymes into membranes so that they are adjacent to each other

[D].

All of the above

Answer: Option D

Explanation:

No answer description available for this question.

Question: In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2? A —(E1)—> B —(E2)—> C —(E3)—>
[A].

A, B, C, and D will all still be produced

[B].

A, B, and C will still be produced, but not D

[C].

A and B will still be produced, but not C or D

[D].

A will still be produced, but not B, C, or D

Answer: Option C

Explanation:

No answer description available for this question.

Question: Before they can react, many molecules need to be destabilized. This state is typically achieved through
[A].

changing the three-dimensional shape of the molecule

[B].

oxidizing the molecules by removing electrons

[C].

changing the reaction from a biosynthetic to a catabolic pathway

[D].

the input of a small amount of activation energy

Answer: Option D

Explanation:

No answer description available for this question.

Question: Which of the following statements about enzymes or their function is true?
[A].

Enzymes do not alter the overall change in free energy for a reaction

[B].

Enzymes are proteins whose three-dimensional form is key to their function

[C].

Enzymes speed up reactions by lowering activation energy

[D].

All of the above

Answer: Option D

Explanation:

No answer description available for this question.