PRE-LAB Activity 3: Investigating the Chemical Synapse 1. Match each of the foll

Question

PRE-LAB Activity 3: Investigating the Chemical Synapse 1. Match each of the following descriptions with the correct term: a located on presynaptic membrane b. space between two neurons c. contains neurotransmitters d. located on postsynaptic membrane 4 receptor 1. synaptic cleft 2. neurotransmitter 3. synaptic vesicle e. bulbous ending of axon 5. axon terminal 6. calcium channel f chemical messenger 2. Which neurotransmitter is released at the neuromuscular junction? Put the following events that occur at the neuromuscular junction in their correct order by assigning each a number from 1 (first) to 5 (last) 3. a Sodium enters the muscle fiber, creating an end-plate potential b. Neurotransmitter is released into the synaptic cleft. An action potential reaches the presynaptic menbrane d. Neurotransmitter binds to a receptor on the postsynaptic membrane. e. Sodium channels on the motor end plate open.

Explanation / Answer

Question 1

A. Neurotransmitter is located on presynaptic membrane.

B. Synaptic cleft is the space between two neurones.

C. Synaptic vesicles contain neurotransmitter

D. Receptors are located on postsynaptic membrane

E. Axon terminal is the bulbous ending of axon

F. Calcium channel is the chemical messenger

Question 2

Acetylcholine

Question 3

Sequence

c, b, d, e and last is a

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