Which of the following statements concerning glycolysis is TRUE?
A. The first step of glycolysis involves substrate level phosphorylation.
B. The glycolytic pathway has a net gain of two ATP molecules.
C. Glucose is activated by substrate-level phosphorylation.
D. Glyceraldehyde 3-phosphate (G3P) is the end-product of glycolysis.
E. Two NADH molecules are used during glycolysis.
Answer: B
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