[سارة الحربي]

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ATP can be used as the cell's energy exchange mechanism because

A)

endergonic reactions can be fueled by coupling them with the formation of ATP from ADP.
B)

ATP is the most energy-rich small molecule in the cell.
C)

endergonic reactions can be fueled by coupling them with the hydrolysis of high-energy phosphate bonds in ATP.
D)

the regeneration of ATP from ADP can be fueled by coupling it with endergonic reactions.
E)

ATP is a disposable form of chemical energy, used once and then discarded by the cell.
Answer:

C



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