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Multiple Choice
Which statement regarding glycolysis is true?
A
Glycolysis requires oxygen to proceed.
B
Glycolysis occurs in the mitochondria of the cell.
C
Glycolysis produces a net gain of two ATP molecules per glucose molecule.
D
Glycolysis converts glucose into two molecules of acetyl-CoA.
Verified step by step guidance
1
Understand that glycolysis is the first step in cellular respiration and occurs in the cytoplasm of the cell, not in the mitochondria.
Recognize that glycolysis is an anaerobic process, meaning it does not require oxygen to proceed.
Recall that during glycolysis, one molecule of glucose (C6H12O6) is broken down into two molecules of pyruvate (C3H4O3).
Identify that glycolysis results in a net gain of two ATP molecules per glucose molecule, as it produces four ATP molecules but uses two ATP molecules in the process.
Note that glycolysis does not convert glucose into acetyl-CoA; instead, pyruvate is converted into acetyl-CoA in the mitochondria during the link reaction, which is part of aerobic respiration.