In the First Step of the Citric Acid Cycle, ________

question 156

Multiple Choice

In the first step of the citric acid cycle, ________ acid combines with acetyl-CoA to produce citric acid.

• A) oxaloacetic
• B) pyruvic
• C) lactic
• D) alpha ketoglutaric
• E) ketoglutaric

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Definitions:

Enkephalins

Peptides in the brain that bind to opiate receptors, acting as natural painkillers and also involved in various bodily functions.

Presynaptic Inhibition

Presynaptic Inhibition is a mechanism where the release of neurotransmitters from a neuron is decreased, modulating neural activity and preventing overstimulation.

Pain Signals

Neural transmissions that convey the sensation of pain from the peripheral nervous system to the central nervous system.

Neuron

A specialized cell transmitting nerve impulses; a basic building block of the nervous system.