To identify the location of the enzyme that uses stored energy in a proton gradient to drive the reaction that produces ATP. Concept introduction: Coupled reactions are the pair of biochemical reactions that occur simultaneously in a system and the energy released by one reaction is utilized by another reaction to occur. Oxidative phosphorylation and oxidation reaction of the electron transport chain is an example of a coupled system. 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. Electron transport chain is a sequence of biochemical reactions in which electrons and hydrogen atoms from the citric acid cycle are transferred to various intermediate carriers and finally reacts with molecular oxygen to form a water molecule.

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Chapter 23, Problem 23.114EP

Interpretation Introduction

Interpretation: To identify the location of the enzyme that uses stored energy in a proton gradient to drive the reaction that produces ATP.

Concept introduction: Coupled reactions are the pair of biochemical reactions that occur simultaneously in a system and the energy released by one reaction is utilized by another reaction to occur. Oxidative phosphorylation and oxidation reaction of the electron transport chain is an example of a coupled system.

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.

Electron transport chain is a sequence of biochemical reactions in which electrons and hydrogen atoms from the citric acid cycle are transferred to various intermediate carriers and finally reacts with molecular oxygen to form a water molecule.

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