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Enzyme True/False Quiz

Authored by DR HASSERI HALIM

Health Sciences

University

Used 2+ times

Enzyme True/False Quiz
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enzymes are consumed during chemical reactions.

True

False

Answer explanation

Enzymes are not consumed in the reaction; they can be reused.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enzymes work best at extreme temperatures and pH levels.

True

False

Answer explanation

  1. Enzymes typically function under mild conditions, such as neutral pH and moderate temperatures.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lock-and-key and induced-fit models explain enzyme-substrate interactions.

True

False

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An enzyme's active site is a rigid structure that never changes.

True

False

Answer explanation

  1. The induced-fit model suggests the active site can change to fit the substrate.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enzymes increase the energy requirement for a reaction.

True

False

Answer explanation

Enzymes lower the activation energy for reactions.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cofactors are always metal ions.

True

False

Answer explanation

  1. Cofactors can be metal ions or organic molecules (coenzymes).

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apoenzymes are active forms of enzymes.

True

False

Answer explanation

  1. Apoenzymes are inactive until they bind to a cofactor.

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