Figure 8.1 -In Figure 8.1, What Is the Event in Step 1

question 15

Multiple Choice

Figure 8.1
-In Figure 8.1, what is the event in Step 1 that is required to start the process that leads to the release of neurotransmitter from an axon terminal?

• A)movement of sodium into the neuron and down the axon
• B)movement of calcium down the axon
• C)generator potential from the axon hillock
• D)migration of newly synthesized neurotransmitter from the soma
• E)action potential

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Definitions:

Negatively Charged

Negatively charged refers to atoms or molecules that have more electrons than protons, resulting in an overall negative electrical charge.

Cations

Positively charged ions that have more protons than electrons, playing essential roles in chemical reactions and biological processes.

Ions

Charged particles formed when atoms or molecules gain or lose electrons, playing critical roles in chemical reactions and cellular functions.

High Concentration

A comparative term referring to a scenario in which a particular substance is present in large amounts relative to other substances or relative to its usual amount.