In dissection, most nerve fibers appear gray to white because
A. the neuron is gray to white colored.
B. sodium ions are part of the salt compound and they flow along the surface.
C. nerve fibers are covered in a myelin sheath made of lipid or fat molecules.
D. nerve fibers rapidly die and dead tissues soon become gray or white.
E. nerve fibers consume large amounts of energy in the form of sugar.
Answer: C
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