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

2827 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How is tissue fluid formed?


Identify the differences between motor and sensory neurons in terms of features and function.


How are Xerophytes adapted to dry environments?


How are electron microscopes (TEM) fundamentally different from light microscopes and what are the advantages and disadvantages of each?


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