Which of the following nucleic acids is present in an organism having 70S ribosomes only?

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Single stranded DNA with protein coat

Double stranded circular naked DNA

Double stranded DNA enclosed in nuclear membrane

Double stranded circular ‘DNA with histone proteins

answer is C.

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Detailed Solution

NCERT CLASS-XI : Page No. 128.

The cells that lack a membrane bound nucleus are prokaryotic. The genomic DNA (the single chromosome/circular DNA)is ds DNA. The genetic material is basically naked, not enveloped by a nuclear membrane. They have 70S types of ribosomes only. The genomic DNA (the single chromosome/circular DNA).

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