Signal Transmission At Synapses

Question 0

Describe how a chemical synapse transmits a signal

Answer 0

1. Action potential arrives at presynaptic neuron’s end bulbs 2. Opening Ca2+ channels 3. Neurotransmitter exocytosed 4. Neurotransmitter binds to receptors on postsynaptic membrane 5. Postsynaptic action potential develops.

Question 1

What is a synapse

Answer 1

It is the site of communication between two neurons or a neuron and an effector