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Q.
What is nucleosome?
Rajasthan PMTRajasthan PMT 1998
Solution:
Nucleosome is a protein particle surrounded by DNA. The histone proteins $ {{H}_{2}}A,\,{{H}_{2}}B,\,{{H}_{3}} $ and $ {{H}_{4}} $ forms the core and DNA is wrapped around it by about 146 nucleotide. Linker DNA joins two nucleosomes.