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The neurotransmitter that controls mood and induces sleep is
Option: 1
Glycine
Option: 2
Dopamine
Option: 3
GAB
Option: 4
Serotonin
Answers (1)
As we have learnt:
Transmission of Impulses: At Chemical Synapse
- Transmission across a chemical synapse is carried out by neurotransmitters, which are stored in synaptic vesicles in the axon terminals.
- When nerve impulses travelling along an axon reach an axon terminal, channels for calcium ions (Ca2+) open, and calcium enters the terminal.
- This sudden rise in Ca2+ stimulates synaptic vesicles to merge with the presynaptic membrane, and neurotransmitter molecules are released into the synaptic cleft.
- They diffuse across the cleft to the postsynaptic membrane, where they bind with specific receptor proteins.
- Depending on the type of neurotransmitter and the type of receptor, the response of the postsynaptic neuron can be toward excitation or toward inhibition.
- After excitatory neurotransmitters combine with a receptor, a sodium ion channel opens, and Na+ enters the neuron.
- Serotonin is a neurotransmitter that controls mood and induces sleep
- Endorphine is a neuropeptide which acts as a natural analgesic
Therefore, serotonin is a neurotransmitter that controls mood and induces sleep. Hence, the correct answer is option d.
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