Which organelles would be required to produce neurotransmitter molecule within a neuron?
Would it be enough to say ribosomes, or would I have be more specific and mention ribosomes on the rough endoplasmic reticulum?
How do neurotransmitter molecules exit the axon terminal to reach the synaptic cleft?
Golgi apparatus package neurotransmitters into secretory vesicles which exit via exocytosis. Or would it be enough to say that they exit via exocytosis?
Edit: I'm trying to be as brief as possible if you haven't already noticed :p
I'd say the ribosomes on the rough endoplasmic reticulum. Any polypeptide that is synthesised by a cell, and carry out their biological function outside the cell of production, are synthesised in the ribosomes studded on the endoplasmic reticulum organelle.
When an action potential arrives at the axon terminal, this triggers an influx of Ca2+ ions. As a result, this triggers the exocytosis of neurotransmitter molecules (which are found in small, synaptic vesicles). Once they are secreted by exocytosis (an endergonic process), they diffuse across the synaptic cleft, bind to post-synaptic receptors and carry out their excitatory or inhibitory function.
Hope this helps
PS its good to be as succinct as possible. Assessors love punchy, succint answers that are very clear!