a) Explain how an action potential is passed across a synapse b) Label the graph below with the steps of action potential generation c) The graph shows the results of a study on two groups taking different medication, is the difference significant?

a) When an action potential arrives at the presynaptic membrane there is an influx of calcium ions which allows the vesicles containing neurotransmitter to move to and fuse with the presynaptic membrane. The neurotransmitter is released and diffuses across the synaptic cleft binding to voltage gated channels on the post synaptic membrane allowing sodium ions to enter and generate an action potential.b) Includes steps of depolarization and repolarizationc) mentions difference in error bars - if no overlap difference is significant

CK
Answered by Catrina K. Biology tutor

3004 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

What are the 5 conditions for the Hardy Weinburg equiliberium? And if all of these conditions are met what does the equiliberium state?


Describe the stages of Transcription


Draw a diagram of a human cell, include; the Nucleus, the Golgi Apparatus, Lysosomes, Ribosomes and Mitochondria, annotating your diagram with the general functions of each component and of the cell membrane.


How does Cholera work?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences