Describe the process of synaptic transmission with regard to action potentials

the action potential arrives at the terminal of the axon. The arrival of the action potential will cause voltage gated calcium ions to open allowing the calcium ions to rush into the axon terminal. The arrival of the calcium ions allow synaptic vesicles to fuse with the axon terminal membrane, releasing neurotransmitter into the synaptic cleft. The neurotransmitter (most common one being acetylcholine) diffuses across the synaptic cleft and bind with the ligand-gated ion channel. This can cause inhibitory or excitatory effects.

AH
Answered by Ali H. Biology tutor

1892 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How would you test for the presence of a non-reducing sugar?


Putting bee honey on a cut kills bacteria. Honey contains a high concentration of sugar. Use your knowledge of water potential to suggest how putting honey on a cut kills bacteria.


Describe eutrophication


How does a vaccine lead to the production of antibodies against a virus?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning