IB Biology HL C2.2.5 Synapses As Junctions Questions

Trace how an impulse triggers presynaptic calcium entry and transmitter release, then how acetylcholine crosses the cleft, binds receptors and is cleared.

Exam points

Explain one-way chemical synaptic transmission from presynaptic calcium entry and vesicle release to postsynaptic receptor activation.
Identify the fate of acetylcholine after receptor binding, including its breakdown in the synaptic cleft.
Identify the synaptic junction structure shown in a neuron diagram.
Label a neurotransmitter receptor on a synapse diagram.

[Maximum number: 1]

The diagram shows part of two neurons.

Figure for Question IB Biology HL C2.2.5 Synapses As Junctions Questions question 1 — IB Biology HL

State the name of the structure shown.

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IB Biology HL C2.2.5 Synapses As Junctions Questions question 1