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Biology · PYQ NEET UG 2019(2)

हिन्दी

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

  1. Double stranded circular DNA with histone proteins.
  2. Single stranded DNA with protein coat.
  3. Double stranded circular naked DNA.
  4. Double stranded DNA enclosed in nuclear membrane.

Correct answer · Option 3

Double stranded circular naked DNA.

Explanation

Organisms with 70S ribosomes only are prokaryotes (like bacteria), which typically contain double stranded circular naked DNA in their cytoplasm (nucleoid).
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