Group Activity 1 Chapter9 Muscular System: Neuromuscular Junction CSR) 1, where
ID: 3475667 • Letter: G
Question
Group Activity 1 Chapter9 Muscular System: Neuromuscular Junction CSR) 1, where Calcium stores in each muscle cell? Synaptic vesicles in the axon terminal of a motor neuron contain what neurotransmitter? Sorob asm hculum 2. tul chol ine 3. 4. 5. An action potential in the axon terminal of a motor neuron opens what type of ion channels? ol fage-gated By what means of membrane transport does the neurotransmitter leave the axon terminal? Binding of neurotransmitter to the receptors on the motor end plate opens what type of ion channels? Opening of these channels leads to How is the neurotransmitter removed from the synaptic cleft? of the motor end plate. 6. 7. 8. As a result of question 6, an action potential is propagated along the sarcolemma of the muscle cell and down the into the cell. 9. The result of this action potential releases what ion from the terminal cisternae of the SR?Explanation / Answer
Answer:
1)The calcium stores in each muscle cell in the sarcoplasmic reticulum arises from terminal cisternae.
2)Synaptic vesicles in the axon terminal fo motor neuron contain acetylcholine transmitter.
3)An action potential in the axon terminal of motor neuron opens voltage gated calcium channels.
4)By exocytosis means of membrane transport does the neurotransmitter leave the axon terminal.
5) Binding of neurotransmitter to the receptor on the motor end plate opens chemically gated ion channel.
6)Opening of these channel leads to depolarization of motor end plate.
7)How is neurotransmitter removed from synaptic cleft?
It is removed from the synaptic cleft with the help of the diffusion process and also we can say with the help of AcH E.
8)As the result of question 6, an action potential is propageted along the sarcolemma of the muscle cell and down the T-tubule into the cell.
9) The result of this action potential releases calcium ion from the terminal cisterne of sarcoplasmic reticulum.
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