In prokaryotes (such as E. coli) ...A... nucleus is not present, the DNA is not scattered throughout the cell. DNA is …B... charged and held by the …C... charged proteins. This structure in prokaryotes is called ...D... .
Choose the correct option for A, B, C and, D.

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A-defined, B--negatively, c-positively, D-nucleoid

A-defined, B-positively, c-negatively, D-nucleoid

A-undefined, B-negatively, c-positively, D-nucleus

A-undefined, B-negatively, c-positively, D-nucleoid

answer is C.

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Detailed Solution

Well developed nucleus is absent in prokaryotes. Genetic material is not organized as chromosomes . Histone proteins are absent. Negatively charged DNA is wrapped around positively charged proteins ( polyamides), like this primitive form of genetic material is called as nucleoid.

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