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The Nissl’s granules of nerve cells are made up of

1. ribosomes
2. proteins
3. DNA
4. mitochondria

Correct answer: ribosomes

Solution

Nissl granules are clumps of rough endoplasmic reticulum with many ribosomes in nerve cells, so they appear as basophilic granules. Since ribosomes are the protein-synthesizing particles, they are the key component asked for here.

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