Synaptic Transmission

Question 1

Full process of synaptic transmission

Answer 1

. Action potential goes down pre-synaptic neurone
. Calcium ions enter channel
. Push synaptic vesicles towards the membrane
. Neurotransmitters then diffuse across synaptic gap
. Which then bind to the receptors of the post-synaptic neurone
. Sodium channels open
. Sodium ions come in to create new action potential in the post-synaptic neurone

Question 2

What is the role of calcium

Answer 2

They push the synaptic vesicles towards the membrane

Question 3

What is the role of sodium

Answer 3

They enter channel to create new action potential in post-synaptic neurone

Question 4

What are exciatory factors

Answer 4

more likely to cause action potential (more stimulated)
^ E.g: adrenaline

Question 5

What are inhibatory factors

Answer 5

less likely to cause action potential (more relaxed)
^ E.g: Serotonin

(once receptors have been activated, either produce exciatory and inhibatory effects on post-synaptic cell