Neural Control and Coordination Question 2

2. Nissl bodies are mainly composed of

[2018]

(a) Proteins and lipids

(b) DNA and RNA

(c) Free ribosomes and RER

(d) Nucleic acids and SER

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Answer : c

Hints & Solutions

(c) Nissl bodies are present in the soma or cell body of a neuron. When observed under electron microscope, they appear to be composed of rough endoplasmic reticulum (RER) and free ribosomes hence help in protein synthesis.