During Transmission Across a Typical Chemical Synapse

question 40

Multiple Choice

During transmission across a typical chemical synapse

• A) neurotransmitter molecules are stored in the synaptic cleft.
• B) action potentials trigger chemical changes that make the synaptic vesicles fuse with each other.
• C) vesicles containing neurotransmitters diffuse to the receiving cell's plasma membrane.
• D) neurotransmitter molecules bind to receptors in the receiving cell's plasma membrane.

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Definitions:

Ectotherms

Organisms that regulate their body temperature through external means, relying on environmental heat sources.

Endotherms

Organisms that maintain a constant body temperature through metabolic processes, despite external environmental changes.

Homeostatic Mechanisms

The regulatory mechanisms that maintain homeostasis.

Energy Expenditure

The total amount of energy used by an organism for basic bodily functions and physical activity.