Question

Why is DNa confined in nucleus and not present openly in cytoplasm ?
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Answer 1

Explanation:

Actually, it’s not the DNA itself cannot leave the nucleus, but the Chromosome or Chromatin. Because, in the nucleus, DNAs are folded into Chromatin or Chromosome.

Chromatin or Chromosome just like a rope, and the DNA just the fiber. It’s the rope cannot escape from the nucleus instead of the fibers.

Hope to solve your question.

Answer 2

Answer:

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Because of just how much DNA each cell needs to store within the tiny nucleus, the long strands of DNA must be condensed. DNA is wrapped around proteins called histones, which allows the DNA to become compacted into a material known as chromatin.

Explanation:

Hope this may help you !!