The figure given below shows the transmission of impulses across the synapse. What is the function of ''X'' in the synaptic knob?

Provides nutrients to the nerve endings

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Provides protection to the nerve endings

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Provides energy for the transmission of nerve impulses

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Aids in the transmission of nerve cells

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Solution

The correct option is C Provides energy for the transmission of nerve impulses
X depicts ATP producing organelle i.e mitochondria. Mitochondria are the main organelle for cellular respiration. ATP on hydrolysis yields ADP and inorganic phosphate. This releases energy that is used in transmission of nerve impulses between nerves with the help of chemicals called neurotransmitters. Thus the correct answer is option C.

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