It has a rough appearance because the surface is covered with ribosomes that produce protein. ..... I hope this helps :)
single-celled
in single-celled organisms they perform activities such as eating and reproducing in just one cell.
Answer:
D. Spinal nerves have mixed motor and sensory function.
Explanation:
spinal's nerves are mixed nerves, which means that they carry sensory and motor information. They carry sensory information to the central nervous system to give a motor answer that will travel through the spinal nerves to specific muscles. The White matter, which is peripheral in the spinal cord, contains axons while the gray matter, which is central in the spinal cord, contains cell bodies.