What causes the neurotransmitter to be released into the synaptic cleft?
Correct answer: B. Movement of calcium ions from the synaptic cleft into the axon terminals
- A. Movement of calcium ions from the axon terminals into the synaptic cleft
- B. Movement of calcium ions from the synaptic cleft into the axon terminals
- C. Movement of sodium ions into the axon terminals from the synaptic cleft
- D. Movement of sodium ions into the synaptic cleft from the axon terminals
- E. None of the above
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About Neurons and Nerve Impulse
Neurons receive and transmit information through dendrites, the cell body and axons. The topic explains resting potential, depolarization, repolarization, refractory periods and saltatory conduction, followed by synaptic transmission through neurotransmitters. An action potential is distinct from the graded potential produced at a receptor.
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