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The coils of DNA in prokaryotes are maintained by non-histone basic protein like polyamines forming a compact structure of DNA is called nucleoid or genophore.

The DNA in nucleoid is organised in small loops held by proteins.

In E. coli DNA is placed only in membrane bound structure present in the cytoplasm.

The length of DNA is generally smaller than the dimensions of a typical nucleus.

answer is A.

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Detailed Solution

DNA is found in cytoplasm in supercoiled state. The coils are maintained by non-histone basic protein like polyamines. This compact structure of DNA is called nucleoid or genophore.
In prokaryotes, such as, E. coli, though they do not have a defined nucleus, the DNA is not scattered throughout the cell. DNA (being negatively charged) is held with some proteins (that have positive charges) in a region termed as ‘nucleoid’. The DNA in nucleoid is organised in large loops held by proteins.

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