Characterising the neurotransmitter mode of action

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You discover a new area in the brain, in which neurons signal using the neurotransmitter "Excitamate". This neurotransmitter binds to, and briefly opens, non-selective cation channels in the post-synaptic neuron. In characterising the neurotransmitter's mode of action, you realise that it is normally broken down through enzymatic destruction by the enzyme "excitamaciate".

i) why is this enzymatic destruction an important part of synaptic function? one mark

ii) what is likely to happen to the breakdown products of the enzyme? one mark

ii) what effect do you predict if you exogenously apply the enzyme excitamaciate to a synapse?

Reference no: EM132621374

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