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What is the role of mitochondria in the pre-synaptic knob?
In a recently practise exam paper given to me, we were asked to provide two answers for this question. My immediate answer was it facilited the energy required for the re-synthesis of Acetylcholine from it's two substances after breakdown by Acetylcholinestrase and diffision back into the pre-synaptic knob.
However, having looked through the various textbooks and internet, I can't find a second reason to why mitochondria exsists in the pre-synaptic knob!
Any suggestions or ideas?
