Question

What enables histones to acquire a positive charge?

Answer 1

Explanation:

Basic amino acid residues of lysines, arginines.

They histones acquire positive charge because they are rich is in basic amino acid residues of arginine and lysine which carry positive charges in their side chains.

Answer 2

histone is a basic protein

Explanation:

these basic proteins are associated with basic amino acids that are arginine and lysine.