Briefly Describe the Citric Acid Cycle,and Explain Its Role

question 122

Multiple Choice

Briefly describe the citric acid cycle,and explain its role.

• A)The breakdown of glucose into pyruvate to provide ATP for the cell.
• B)The conversion of pyruvate into acetyl-CoA to allow it to enter the mitochondrial matrix.
• C)The regeneration of ATP from ADP to provide high energy molecules to fuel cellular activities.
• D)To establish the proton gradient used to make ATP.
• E)The breakdown of organic molecules to release hydrogen atoms bound to coenzymes that can enter the electron transport chain.

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Definitions:

Pronator Quadratus

A square-shaped muscle in the forearm that acts to pronate the wrist, turning the hand so the palm faces downwards.

Triceps Brachii

A major muscle of the upper arm involved in extension of the elbow and is composed of three heads.

Brachialis

The brachialis muscle is located in the upper arm, specifically in the anterior compartment, and plays a crucial role in flexing the elbow joint.

Brachioradialis

A muscle of the forearm that flexes the forearm at the elbow; it is particularly used when lifting objects or performing movements against resistance.