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How is the energy used to make ATP via the electron transport chain generated? a The energy from electrons bound to reduced coenzymes is used to create a steep electrochemical gradient. b) Electrons bound to NADH are used to generate a H ion gradient across the inner mitochondrial membrane. c) Electrons bound to FADH2 are used to generate a proton gradient across the inner mitochondrial membrane. d) Electrons bound to NADH are used to generate a proton gradient across the inner mitochondrial membrane. e) All of these are correct.

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Answer:

The correct answer is option e) "All of these are correct".

Explanation:

The production of ATP via the electron transport chain is a complex pathway that follows multiple steps and multiple proteins. These steps include: the creation of a steep electrochemical gradient that activates ATP synthase, as well as the generation of a H ion gradient across the inner mitochondrial membrane, which drives ATP synthesis during oxidative phosphorylation by electrons binding to NADH and FADH2.