Which Is One of the Most Abundant Excitatory Neurotransmitters in the CNS

question 44

Multiple Choice

Which is one of the most abundant excitatory neurotransmitters in the CNS?

• A)Glutamate
• B)Dopamine
• C)Norepinephrine
• D)Gamma-aminobutyric acid (GABA)
• E)Endorphin

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Definitions:

Translocation

The movement of organic materials (dissolved food) in the phloem of a plant. Chromosome abnormality in which part of one chromosome has become attached to another. Part of the elongation cycle of protein synthesis in which a transfer RNA attached to the growing polypeptide chain is transferred from the A site to the P site.

Ribosome

Cellular organelles that synthesize proteins by translating mRNA sequences.

tRNA

Transfer RNA, a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during the process of translation.

Polyribosome

A complex consisting of a number of ribosomes attached to an mRNA during translation; also known as a polysome.