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What is the direct source of the energy used to attach a phosphate group to adenosine disphosphate?

1 Answer

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Answer:

Phosphorylation.

Step-by-step explanation:

It's a chemical energy to be transferred in living cells. During cellular respiration, the energy released by the gradual breakdown of food molecules is used to attach a third phosphate to ADP to this changes the ATP molecule to molecule of ATP.

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