If an
e.coli dna is having 1600 bp length, it may have how many nucleosome?
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As it is known that a tropical nucleosome contain 200bp of DNA helix hence for 1600bp eight nucleosome will be required.
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3
Answer:
The correct answer would be 600.
Nucleosome refers to the smallest unit of DNA packaging. It comprises DNA and associated proteins.
The DNA is wrapped around the core proteins to form a structure called nucleosome. The nucleosomes then condense to form 30 nm chromatin fiber.
The average length of DNA involved in the formation of the nucleosome is around 200 base pairs including linker DNA.
Thus, the number of nucleosomes formed by 1600 bp long DNA would be = 1600/200 which comes out to be 800.
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