What Process at Chemical Synapses Takes the Most Time and Contributes

question 25

Multiple Choice

What process at chemical synapses takes the most time and contributes the most to the synaptic delay?

• A) Diffusion of transmitter across the synaptic cleft
• B) The transmitter release process in the nerve terminal
• C) The binding of transmitter to postsynaptic ionotropic receptors
• D) The opening of channels in postsynaptic ionotropic receptors
• E) The opening of presynaptic calcium channels in response to an action potential

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Definitions:

Last Eruption

The most recent volcanic event during which magma is expelled onto the Earth's surface or into its atmosphere, often recorded in historical or geological records.

Island Arc

An island arc is a curved chain of volcanic islands located at a tectonic plate margin, typically formed above a subducting plate where magma rises to the surface, creating new crust.

Mid-Ocean Ridge

An underwater mountain system formed by plate tectonics, characterized by a continuous volcanic mountain chain that encircles the globe.

Andes

A major mountain range along the western edge of South America, formed by the subduction of the Nazca Plate beneath the South American Plate.