♥ They make use of a control group because its something that they can look into, something to compare to. <span />
The correct answer is option B
A motor neuron is a neuron which consists of a cell body and axon. Cell body lies in the motor cortex, spinal cord or brainstem and axon projects outside the spinal cord or inside the spinal cord which directly or indirectly controls the function of muscles or glands.
The functions associated with the movement of muscles or glands are directly affected by the injured motor neurons.
Hawii was formed by a hotspot volcano
The process in which a gene from one organism is inserted into the DNA of another organism is called genetic engineering or recombinant DNA technology. It is done to transfer the desirable trait of one organism to another to produce a better organism.