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

2710 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

What is the purpose of mitosis and explain the stages


How does DNA undergo replication?


What are the characteristic properties of the genetic code?


Diabetes can damage the nervous system. Explain how this may alter the response of heart rate to changes in blood pressure.


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