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Multiple Choice
What is the primary purpose of NADH produced during glycolysis?
A
To carry electrons to the electron transport chain
B
To provide energy for the conversion of pyruvate to lactate
C
To directly generate ATP in glycolysis
D
To act as a substrate for the citric acid cycle
Verified step by step guidance
1
Understand that NADH is a coenzyme involved in redox reactions, carrying electrons from one reaction to another.
Recognize that during glycolysis, glucose is broken down into pyruvate, and NAD+ is reduced to NADH.
Identify that the primary role of NADH is to transport electrons to the electron transport chain (ETC) in the mitochondria.
Note that in the ETC, NADH donates electrons, which helps in the production of ATP through oxidative phosphorylation.
Clarify that while NADH can be involved in other processes, its main purpose in glycolysis is to facilitate electron transfer to the ETC, leading to ATP production.