Name the two general types of neurotransmitter receptor and briefly describe the mechanism through which they affect the excitability of the post synaptic neurone. (5 marks) B) Name and describe two mechanisms whereby a neurone integrates synaptic inputs through summation of post synaptic potentials.Amylase enzyme is playing a critical role in the industry. Design one experiment for amylase producing bacteria showing the following:

1.Method of selecting the right bacteria

2.The suitable substrate

3. How to test for the presence of amylase

4. Applications of Amylase

5. How can you increase the bacterial activity

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