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Solution


Q.

Nissl’s bodies are mainly composed of                [2018]
1 proteins and lipids  
2 DNA and RNA  
3 nucleic acids and SER  
4 free ribosomes and RER  

Ans.

(4)

Nissl’s bodies, also known as Nissl’s granules are irregular masses of rough endoplasmic reticulum (RER) with numerous as well as free ribosomes and polysomes, found in cell body or cyton of a neuron. These probably synthesise proteins for the nerve cell.