<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Nucleosomes are
Options:
A. DNA+RNA
B. DNA+Histones
C. RNA+Histones
D. DNA+RNA+Histones
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is B: DNA+Histones. Explanation: Nucleosomes : The double stranded DNA wraps twice around a histone octamer formed by H2A, H2B, H3 and H4. This super - twisted helix forms a spherical paicle of 10nm diameter ; called Nucleosome. The function of the Nucleosomes is to condense DNA ; this arrangement also stabilises the DNA. REF : DM.VASUDEVAN.TEXTBOOK; SEVENTH EDITION ; PAGE NO :577<|im_end|>
