Question

There are over 2,000 different enzymes in the human body. Which statement best describes why it is necessary for there to be so many different kinds of enzymes?
A.
Some enzymes will not react with any type of substance.
B.
Each enzyme catalyzes only a certain reaction or set of reactions.
C.
All enzymes can catalyze any reaction in the human body.
D.
Enzymes are constantly being used up in reactions.

Answer 1

B. Each enzyme catalyzes only a certain reaction or set of reactions.

Answer 2

Answer: Option B

Explanation:

The human body has more than 2000 different enzymes in it. This is because the enzymes are specific for the substrate.

The enzymes reacts to different substrate at different times and because of this there is a need of a huge number of enzymes so that each and every reaction can take place in the body.

The enzymes acts as catalysts for reactions and helps in lower the activation energy.