During the Citric Acid Cycle, Energy Stored in Acetyl CoA $\to$

question 7

Multiple Choice

During the citric acid cycle, energy stored in acetyl CoA is used to

• A) create a proton gradient.
• B) drive the reaction ADP + P_i \(\to\) ATP.
• C) reduce NAD⁺ to NADH.
• D) drive the reaction oxaloacetate \(\to\) citric acid.
• E) reduce FAD to FADH₂.

---

Definitions:

Odour

A distinctive smell, especially an unpleasant one, perceived by the olfactory nerve system.

Sensory Adaptation

The procedure through which receptors sensing the environment become less alert to unchanged stimuli through time.

Sensory Sensitization

An increased response to a stimulus following repeated exposure to it.

Pain Pathway

Refers to the physiological processes that convey pain signals from the body's peripheral receptors through the spinal cord to the brain.