ANIMAL REPRODUCTIVE PHYSIOLOGYintermediate
Arrange the following events of chemical synaptic transmission in the correct chronological order, from first to last: - Neurotransmitter molecules diffuse across the synaptic cleft - An action potential triggers the release of neurotransmitters from the presynaptic neuron - Neurotransmitters bind to receptor proteins on the postsynaptic membrane
Answer
An action potential triggers the release of neurotransmitters from the presynaptic neuron, Neurotransmitter molecules diffuse across the synaptic cleft, Neurotransmitters bind to receptor proteins on the postsynaptic membrane
Explanation
The definition describes a signal originating from one neuron, passing across a **synapse**, and reaching another target neuron. The order follows the direction of communication stated in the slide. This is a general conceptual sequence and does not add unprovided detail about synthesis or receptor mechanisms.\n\n**Key takeaway:** Neuronal chemical signaling proceeds from a neuron, across a synapse, to a target neuron.\n\n**Glossary:** **Chemical signal**: A molecule conveying information; **target neuron**: The receiving neuron.
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