First slide

The DNA

Question

Core of nucleosome is made up of:

Easy

A

single copy each of H₂A, H₂B, H₃, H₁
B

two copies each of H₂A, H₂B, H₃, H₄
C

single copy of each of H₂A, H₂B, H₃, H₄
D

two copies each of H₁, H₂A, H₃, H₄

Solution

There are five types of histone proteins H₁, H₂A, H₂B, H₃ and H₄. Four of them occur in pairs to produce histone octamer (2 copies of each – H₂A, H₂B, H₃ and H₄), called nu-body or core of nucleosome.

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