Multiple choice

Chromatin is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells. The histone protein significant in identifying the complete structure of chromatin is

  1. Histone H4

  2. Histone H3

  3. Histone H2B

  4. Histone H2A

  5. Histone H1
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D Correct answer
Explanation

H2A is important for packaging DNA into chromatin. Since H2A packages DNA molecules into chromatin, the packaging process will effect the gene expression. H2A has been correlated with DNA modification and epigenetics. H2A plays a major role in determining the overall structure of chromatin.

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