Multiple Choice
Which of the following is NOT a product of glycolysis (per molecule of glucose under aerobic conditions)?
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Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway
Glycolysis 1
Multiple Choice
In cellular metabolism, what is the primary purpose of glycolysis?
A
To oxidize NADH to NAD+ using O2 as the terminal electron acceptor
B
To synthesize glucose from non-carbohydrate precursors (gluconeogenesis)
C
To convert pyruvate into acetyl-CoA while producing NADH and releasing CO2
D
To convert glucose into pyruvate while producing a net gain of ATP and NADH
Verified step by step guidance1
Understand that glycolysis is a metabolic pathway that breaks down glucose, a six-carbon sugar, into two molecules of pyruvate, each containing three carbons.
Recognize that during glycolysis, energy is captured in the form of ATP and NADH, which are essential molecules for cellular energy and redox balance.
Note that glycolysis occurs in the cytoplasm and does not require oxygen, making it an anaerobic process.
Identify that the net products of glycolysis per glucose molecule are 2 ATP (energy currency) and 2 NADH (electron carriers), along with 2 pyruvate molecules.
Conclude that the primary purpose of glycolysis is to convert glucose into pyruvate while producing a net gain of ATP and NADH, providing energy and reducing power for the cell.
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