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 - Apply - Page 145: 4

Answer

C.

Work Step by Step

D. is wrong since going from NADH to NAD+ is oxidation, not reduction, and A. and be eliminated since fermentation helps with glucose breakdown, not glucose production. B. is wrong because fermentation occurs not during electron transport but instead of it when not enough oxygen is available to allow the Krebs cycle to run and, thus, to feed electron transport.
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