Which of the Following Does Not Describe the Role of NAD⁺

question 61

Multiple Choice

Which of the following does not describe the role of NAD⁺ in cellular respiration?

• A) It accepts 2 electrons.
• B) It is a coenzyme.
• C) It helps to oxidize the substrate.
• D) It is reduced.
• E) It provides the energy for the reaction.

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Definitions:

Feedback Inhibition

A process where the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway, regulating its own production.

Posttranslational Control

Regulation of gene expression that controls activity or functions of proteins, usually by phosphorylation or other chemical modifications of the protein. Compare with transcriptional-level control, translational-level control, and posttranscriptional control.

Translational Control

The regulation of protein synthesis in a cell by various mechanisms that act on the process of translating RNA into protein.

Transcriptional Control

The regulation of gene expression at the transcription stage, determining when and how much RNA is produced from a gene.