MCAT Question A Day - 5/5/14 - Answer!
Glycolysis takes place in the cytoplasm of an animal cell. Which of the following is NOT a product or reactant in glycolysis?
A. glucose
B. pyruvate
C. ATP
D. O2
D is correct. ATP is a product. Two ATPs !'nter the reaction to "prime the pump", and four ATPs are produced. Glucose is a reactant and pyruvate is a product. Oxygen plays no role in glycolysis.
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