Nissl bodies are mainly composed of

Options

A. Nucleic acids and SER
B. DNA and RNA
C. Proteins and lipids
D. Free ribosomes and RER

Answer

D

Explanation

Nissl granules are present in the cyton and even extend into the dendrite but absent in axon and rest of the neuron.
Nissl granules are in fact composed of free ribosomes and RER. They are responsible for protein synthesis.