Answers Biology Practice TestQuestion 8

8

practice testMultiple Choice

Practice Test

Question 8 • Biology

How does ATP supply energy for cellular activities?

Answer

A

by releasing the sugar molecule from its structure

B

by attaching itself to a glucose molecule

C

by breaking off a phosphate group from its structure

D

by adding a phosphate group to its structure

Explanation

ATP supplies energy when its terminal phosphate group is removed. Breaking the bond releases energy that can be used for cellular activities, and ATP becomes ADP. Therefore, the correct choice is “by breaking off a phosphate group from its structure.”

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