Genophore// bacterial genome or nucleoid is made of | Filo
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Class 12

Biology

Ecology

Kingdom - Monera And Viruses

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Genophore// bacterial genome or nucleoid is made of

  1. histones and non-histones
  2. RNA and histones
  3. a single double stranded DNA
  4. a single stranded DNA
Correct Answer: Option(c)
Solution: In bacteria nucleoid or genophore is haploid and consists of single, naked , double stranded, circular ring like highly folded supercoiled DNA with no free ends, no histone proteins. The nucleoid of E. coli has a central core of RNA surrounded by about by 50 super coilings of DNA which is then associated with some basic proteins but never histones. Some proteins like polyamines rich in alanine are also found associated with DNA.
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