Cellular Energy

AP Biology· difficulty 2/5

Energy is released from ATP primarily by

A
$Adding a phosphate group to ADP, releasing AMP$
B
$Hydrolysis of a phosphoanhydride bond, yielding ADP + Pᵢ$
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C
$Combining adenosine with ribose, releasing a base$
D
$Photolysis of water, yielding oxygen and electrons$

Explanation

Breaking the terminal high-energy phosphate bond of ATP releases energy used to drive endergonic reactions in cells.

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