If the Following Two Reactions Were Coupled, What Would Be $\circ$

question 17

Multiple Choice

If the following two reactions were coupled, what would be the oxidizing agent for the spontaneous reaction? NAD⁺ + H⁺ + 2e^-
NADH E ^$\circ$ ' = -0.32 V
Acetaldehyde + 2H⁺ + 2e^-
ethanol E ^$\circ$ ' = -0.20 V

• A)NAD⁺
• B)acetaldehyde
• C)NADH
• D)ethanol
• E)H⁺

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Definitions:

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits many of the activities of the central nervous system.

Etiology

The study of the causes or origins of diseases or conditions, explaining why a particular disease or condition occurs.

GABA Levels

The concentration of gamma-Aminobutyric acid, an inhibitory neurotransmitter in the brain that helps control nervous system excitability.

Fear Circuit

Neural pathways in the brain involved in the detection and response to threats, often implicated in anxiety disorders.