How do signals cross a synapse

  1. action potential arrives at post synaptic terminal 2. voltage gated calcium channels open 3. calcium enters presynaptic neuron and move to neurotransmitter vesicles 4. vesicles move to membranes and dock 5. exocytosis releases neurotransmitters into synapse 6. neurotranmitters diffuse across synapse and bind to postsynaptic receptors 7. sugnal intiated in postsynaptic membrane
SR
Answered by Sian R. Biology tutor

2517 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Name three modifiable and three non-modifiable risk factors of coronary artery disease.


How are chloroplasts adapted to their function?


What is the difference between cyclic and non-cyclic photosynthesis?


A biologist has a small pond containing goldfish in her garden. On a sunny day, more pondweed is at the surface of the water but on a cloudy day, less pondweed is at the surface. Suggest an explanation for this observation


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:

© 2026 by IXL Learning