The Biology Project: Biochemistry

Metabolism Problem Set

Problem 14: Terminal Electron Acceptor

The terminal electron acceptor during mitochondrial respiration:

A. H2O

B. NAD+

C. FAD

D. ATP

E. O2

The electron transport in the inner membrane of the mitochondria is a series of protein complexes that receive electrons from NADH and FADH2. Transferring electrons through the protein complexes results in the pumping of protons into the inner membrane space, and the final acceptor is oxygen, generating water.

The Biology Project
University of Arizona
Tuesday, August 20, 1996
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