Pennsylvania Keystone Exam - Biology Practice Questions - Pennsylvania Keystone Exam - Biology (PDE STEELS Aligned) Exam

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Adenosine triphosphate (ATP) serves as the primary energy currency of the cell. Which process directly yields the energy needed to power cellular work such as muscle contraction?

Synthesis of ATP from ADP and inorganic phosphate Hydrolysis of the terminal phosphate bond in ATP Binding of glucose to the active site of ATP synthase Reduction of NADP+ to NADPH during photosynthesis

Correct Answer:

Hydrolysis of the terminal phosphate bond in ATP

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