NEET Botany Molecular Basis of Inheritance Questions Solved

BOARD

(a) Draw a neat labelled diagram of a nucleosome.

(b) Mention what enables histones to acquire a positive charge.

(a) 

 

            Nucleosome

(b) A protein acquires charge depending upen the abundance of amino acid residues with

charged side chains. Histones are rich in the basic amino acid residues, lysines are arginines.

Both the amino amino acid residues carry positive charges in their side chains.

Difficulty Level:

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