Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1259188132
ISBN 13: 978-1-25918-813-8

Chapter 7 - How Cells Harvest Energy - Review Questions - Understand - Page 145: 5

Answer

A.

Work Step by Step

A. describes the normal function of NAD+: to receive electrons and carry them and the energy associated with them. B. can be eliminated because NAD+ helps enzymes but is not an enzyme itself, and C. is wrong since anaerobic respiration uses carbon dioxide or sulfate as the final acceptor, not NAD+. D. is wrong since ATP is used to make NAD+, not the other way round.
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