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Question

Genetic material of prokaryotic cell is
  1. Non histonic double stranded DNA
  2. Histonic double stranded DNA
  3. Histonic single stranded DNA
  4. Histone without DNA

A
Histone without DNA
B
Non histonic double stranded DNA
C
Histonic double stranded DNA
D
Histonic single stranded DNA
Solution
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The nuclear region of a prokaryotic cell is poorly-defined because of the absence of a nuclear membrane. Hence, a prokaryotic cell lacks a true nucleus. The genetic materials of prokaryotic cells are naked. They contain single, circular chromosomes which are devoid of histone proteins.
So, the correct answer is option A.

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