HESI A2 Biology Practice Test 2025 - Free HESI A2 Biology Practice Questions and Study Guide

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What are the products of the reaction when ATP is hydrolyzed?

ADP and Glucose

ADP and P

When ATP (adenosine triphosphate) is hydrolyzed, it breaks down into ADP (adenosine diphosphate) and inorganic phosphate (often denoted as Pi). This reaction is crucial in cellular metabolism, providing the necessary energy for various biochemical processes. During hydrolysis, the high-energy bond between the second and third phosphate groups in ATP is cleaved, releasing energy that can be harnessed for work.

The formation of ADP and inorganic phosphate from ATP is a common and fundamental reaction in cellular respiration and energy transfer. This is why the products of ATP hydrolysis are correctly described as ADP and phosphate. Other options do not accurately reflect the chemistry of ATP hydrolysis, as they suggest the involvement of substances or mechanisms that do not occur in this specific reaction.

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AMP and Carbon Dioxide

ATP and Phosphate

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