Neurotransmitters Flashcards
1
Q
Why are transmitter molecules removed from the synaptic cleft?
A
To prevent continuous stimulation of post-synaptic neurones.
2
Q
Acetylcholine is…
A
Broken down by an enzyme and the non active products are reabsorbed by the pre synaptic neurone and resynthesised into active transmitter
3
Q
Noradrenaline is reabsorbed into the pre synaptic membrane and stored in the vesicle ready for reuse.
A
Mitochondria in the membrane supply atp for these processes
