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Multiple Choice
Which electron carrier accepts electrons during glycolysis?
A
FAD
B
Coenzyme Q
C
NADP+
D
NAD+
Verified step by step guidance
1
Understand the context of glycolysis: Glycolysis is a metabolic pathway that converts glucose into pyruvate, releasing energy and reducing power in the form of electron carriers.
Identify the role of electron carriers: In glycolysis, electron carriers are molecules that accept electrons during the oxidation of glucose.
Recognize the common electron carriers: The main electron carriers involved in cellular respiration are NAD+ (Nicotinamide adenine dinucleotide) and FAD (Flavin adenine dinucleotide).
Determine which carrier is used in glycolysis: During glycolysis, NAD+ is the electron carrier that accepts electrons, becoming reduced to NADH.
Clarify why other options are incorrect: FAD is primarily used in the citric acid cycle, Coenzyme Q is part of the electron transport chain, and NADP+ is used in anabolic reactions like photosynthesis, not glycolysis.