Question
Histones are enriched with -
NEET
Zoology
Molecular Basis of Inheritance
2025
NEET 2025
NEET Zoology Question (2025) — Solution
Options
- A. Lysine & Arginine
- B. Leucine & Lysine
- C. Phenylalanine & Leucine
- D. Phenylalanine & Arginine
Answer
A. Lysine & Arginine
Step-by-step solution
In eukaryotes, packaging of DNA is much more complex. There is a set of positively charged, basic proteins called histones. Histones are organised to form a unit of light molecules called histone octamer. They are rich in the basic amino acid residues lysine and arginine.
Related: Zoology — Molecular Basis of Inheritance · All PYQ Banks