Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Transcribed Image Text:**Question 26:**
Oxidation is a favorable process in an aerobic environment, which is the reason cells are able to derive energy from the oxidation of macromolecules. Once carbon has been oxidized to ________, its most stable form, it can only cycle back into the organic portion of the carbon cycle through ________.
**Answer Choices:**
A. CO₂; photosynthesis
B. CH₃; combustion
C. CO₂; respiration
D. CO; reduction
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