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

Explanation

Nissl granules are found in the cell-body of neurons . These granules are composed of Rough Endoplasmic Reticulum (RER) that bears free ribosomes . The latter acts as the site of protein synthesis. These granules were named after its discoverer Franz Nissl.