Q. Consider the following statements: (A) Histone octamer consisting of eight molecules of histone proteins forms the core of nucleosome. (B) Histone octamer consist of H₂A, H₂B, H₃ and H₄ histone proteins. Which of the following option is most appropriate?
A) A is true, B is false
B) Both A and B are false
C) A is false, B is true
D) Both A and B are true
Explanation
The histone octamer formed by eight molecules of four types − H₂A, H₂B, H₃ and H₄. It forms the core of nucleosome around which the negatively charged DNA is wrapped tightly.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.