What is the biproduct of ATP breakdown?

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Study for the Advanced Subsidiary WJEC Physical Education Test. Engage with flashcards and multiple-choice questions, each providing hints and explanations. Prepare thoroughly for your exam!

Multiple Choice

What is the biproduct of ATP breakdown?

Explanation:
ATP hydrolysis releases energy and leaves behind ADP plus inorganic phosphate. In the common one-step breakdown, ADP is the molecule that remains after a phosphate is removed, so it’s the byproduct most often highlighted. AMP would only appear if ATP were broken down further to AMP and pyrophosphate, which isn’t the typical single-step process here. NADH isn’t a direct product of ATP breakdown; it’s produced in other metabolic pathways. So the byproduct most aligned with ATP breakdown is ADP.

ATP hydrolysis releases energy and leaves behind ADP plus inorganic phosphate. In the common one-step breakdown, ADP is the molecule that remains after a phosphate is removed, so it’s the byproduct most often highlighted. AMP would only appear if ATP were broken down further to AMP and pyrophosphate, which isn’t the typical single-step process here. NADH isn’t a direct product of ATP breakdown; it’s produced in other metabolic pathways. So the byproduct most aligned with ATP breakdown is ADP.

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