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

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

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

Added by Allison G.

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