First slide

The DNA

Question

How many types of histones form core part of nucleosome?

Easy

A

Two
B

Five
C

Three
D

Four

Solution

There are five types of histone proteins i.e., H₁, H₂A, H₂B, H₃ and H₄. Four of them occurs in pairs to produce histone octamer or nu-body (two copies of each H₂A, H₂B, H₃ and H₄), which constitutes core part of nucleosome.

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