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CAIE A-Level Biology 15.1.9 Cholinergic Synapse Structure and Function

Practise tracing calcium entry, acetylcholine exocytosis, receptor binding and sodium influx, then explain one-way transmission and termination by acetylcholinesterase.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • sequence calcium entry, vesicle fusion and acetylcholine release by exocytosis
  • trace receptor binding, sodium entry and depolarisation of the postsynaptic membrane
  • explain one-way transmission and acetylcholine removal by acetylcholinesterase

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