To identify the process that must occur before an ATP molecule produced in oxidative phosphorylation becomes available for cellular use. Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and P i . The energy required for the synthesis is transferred from the electron transport chain. When coenzymes (NADH and FADH 2 ) gets oxidized, there is proton flow between the matrix and intermembrane space that is responsible for the buildup of H + ions in intermembrane space. The energy released by the proton flow is responsible for the phosphorylation of ADP.

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Chapter 23, Problem 23.117EP

Interpretation Introduction

Interpretation: To identify the process that must occur before an ATP molecule produced in oxidative phosphorylation becomes available for cellular use.

Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and Pi. The energy required for the synthesis is transferred from the electron transport chain.

When coenzymes (NADH and FADH₂) gets oxidized, there is proton flow between the matrix and intermembrane space that is responsible for the buildup of H+ ions in intermembrane space. The energy released by the proton flow is responsible for the phosphorylation of ADP.

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