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zysi [14]
3 years ago
14

Heightened sensitivity to a neurotransmitter after the destruction of an incoming axon is known as ____.

Biology
1 answer:
laila [671]3 years ago
4 0

Answer:

When an axon (nerve) damage or destruction occurs due to injury, it will increase the sensitivity to neurotransmitter by post-synaptic muscle membrane and this process is called the denervation super-sensitivity.

Explanation:

Basically, motor neurons releases and regulates a neurotransmitter acetylcholine at neuormuscular junction for sensitivity of the muscles. But when a nerve injured it will increase the sensitivity of muscle fiber to neurotransmitter acetylcholine. Means, after injury of nerve the muscle fiber become supersensitive to acetylcholine.

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In rabbits, short hair (S) is dominant over long hair (s). What genotype and phenotype ratios are
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Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair          3/4

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