NEET Previous Year Question
Which one of the following statements about Histones is wrong?
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- AHistones are organized to form a unit of 8 molecules.
- BThe pH of histones is slightly acidic.
- CHistones are rich in amino acids – Lysine and Arginine.
- DHistones carry positive charge in the side chain.
Correct answer: B
Solution
(b) Histones are basic proteins with a positive charge because they are rich in lysine and arginine.(a) Correct → Histones form an octamer of 8 molecules.
(b) Incorrect → Histones have slightly alkaline (basic) pH, not acidic.
(c) Correct → Rich in lysine and arginine.
(d) Correct → Carry positive charge.
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