ATP can be broken down into ADP and a phosphate group. These products can then be reassembled to form more ATP. Which statement correctly describes the energy differences between ATP and ADP?

ATP stores less chemical energy than ADP and phosphate

ATP stores more chemical energy than ADP and phosphate

more energy is used to form ATP than is released from ATP hydrolysis

less energy is used to form ATP than is released from ATP hydrolysis

Question

Biology

Robin

14 June, 16:16

ATP can be broken down into ADP and a phosphate group. These products can then be reassembled to form more ATP. Which statement correctly describes the energy differences between ATP and ADP?

ATP stores less chemical energy than ADP and phosphate

ATP stores more chemical energy than ADP and phosphate

more energy is used to form ATP than is released from ATP hydrolysis

less energy is used to form ATP than is released from ATP hydrolysis

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Answers (1)

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Byron · Answer 1

ATP stores more chemical energy than ADP and phosphate

The energy is stored in the phosphate groups that are bonded to the adenosine molecule. This energy is released whenever the phosphate bonds are hydrolyzed. Therefore, ATP, tri-phosphate, has more energy than ADP, di-phosphate, which has more energy than AMP, mono-phosphate.