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Question

Difference between chromatin and nucleosomes.


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Solution

Chromatin:

It is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells.

Nucleosomes:

It is the main structural unit of eukaryotic chromatin that consists of a length of DNA coiled around a core of histones.

Differences between chromatin and chromosomes:

Chromatin

Nucleosome

  1. It forms the chromosomes.
  1. It forms the chromatin.
2. It appears as a thread-like loop structure. 2. It appears as beads on a string.
3. A loop consists of 40-100 kb DNA. 3. It consists of 166 base pairs of wrapped DNA.
4. It is more condensed than nucleosomes. 4. It is the least condensed chromosome structure.


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