In a Chemical Synapse, the ______ Secretes Neurotransmitters That Are

question 7

Multiple Choice

In a chemical synapse, the ______ secretes neurotransmitters that are then received by the ______ and change the physiological state of the next neuron.

• A) presynaptic terminal; postsynaptic channel receptors
• B) synaptic cleft; presynaptic channel receptors
• C) dendrites; action potential
• D) deoxyribonucleic acid; postsynaptic terminal

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Definitions:

Eukaryotic Transcription

The process by which genetic information from DNA is copied to messenger RNA in cells with a nucleus.

Upstream Promoter Elements

DNA sequences located before (upstream of) the coding sequence of a gene that help initiate transcription by binding specific proteins.

Enhancers

Regulatory DNA sequences that enhance gene transcription; can be located long distances away from the actual coding regions of a gene.

Tryptophan Operon

A cluster of genes in bacteria involved in the production of the amino acid tryptophan, regulated by feedback inhibition.