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Synaptic vesicle is found in...

Synaptic vesicle is found in

A

pre-synaptic neuron

B

post-synaptic neuron

C

synaptic cleft

D

none of these

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The correct Answer is:
A
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Synaptic vesicles occure in

[A] : Synaptic vesicles fuse with membrane and release neurotransmitter molecules. [R]: Neurotransmitter attaches to receptor site and open sodium channels to allow so- dium to flow into post synaptic cell causing depolarisation.

A list of events occurring in the transmission of nerve impulse across the synapse is given below in a random order (i)Opening of specific ion channels allows the entry of ions, a new action potential is generated in the post-synaptic neuron. (ii)Neurotransmitter binds to the receptor on post synaptic membrane. (iii)Synaptic vesicle fuses with pre-synaptic membrane, neurotransmitter release into synaptic cleft. (iv)Depolarisation of pre-synaptic membrane. (v)Arrival of action potential at axon terminal. Which of the following options represents these events in a correct order ?

A synaptic cleft is

[A] : The synaptic knob contains mitochondria and synaptic vesicles rich in chemical trans- mitters. [R]: Chemical transmitters are neurohor- mones. Their release is related to Ca^(++) in- flux.

Release of cheminal messenge from synaptic vesicles is triggered by

Neurosecretion of neurotransmitter from the synaptic vesicles is triggered by Ca^(++)//Mg^(++) ions.

ARIHANT NEET-NEURAL CONTROL AND COORDINATION -CHAPTER EXERCISES MEDICAL ENTRANCES GALLERY
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  5. Alzhimer disease in humans is associated with the deficiency of

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  6. In the central nervous system myelinated fibres form the …. While the ...

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  7. Assertion The imbalance in concentration of sodium and potassium ions ...

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  8. Thermoregulatory centre of human body is associated with

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  9. Fovea in the eye is a central pit in the yellowish pigmented spot call...

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  10. Autonomic nervous system affects

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  11. Which one of the following is the correct difference between Rod Cells...

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  12. Which are the longest cells in human body?

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  13. Which of the following is balancing organ ?

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  14. Synaptic vesicle is found in

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  15. Which part of brain controls intellectual ability ?

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  16. Select the correct sequence of menings from inside to outside

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  17. An action potential in the nerve fibre is produced when positive and n...

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  18. If dorsal nerve of spinal cord is broken down then its effect is

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  19. During the transmission of nerve impulse through a nerve fibre, the po...

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  20. Resting potential of a nerve is

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