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Multiple Choice
What is the primary function of NADH in cellular metabolism?
A
To provide structural support to cellular membranes
B
To serve as an electron carrier in the electron transport chain
C
To catalyze the hydrolysis of ATP
D
To act as a coenzyme in the transfer of acetyl groups
Verified step by step guidance
1
Begin by understanding the role of NADH in cellular metabolism. NADH is a crucial coenzyme involved in redox reactions, which are reactions that involve the transfer of electrons.
Recognize that NADH is primarily known for its role in the electron transport chain, a series of complexes located in the inner mitochondrial membrane that are essential for ATP production.
NADH functions as an electron carrier. It donates electrons to the electron transport chain, which are then passed through a series of proteins and ultimately used to produce ATP through oxidative phosphorylation.
Consider the options provided in the problem. The correct function of NADH is to serve as an electron carrier in the electron transport chain, facilitating the production of ATP.
Understand that while NADH does not provide structural support to cellular membranes, catalyze the hydrolysis of ATP, or act as a coenzyme in the transfer of acetyl groups, its primary role is in electron transport and energy production.