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NEET2008BotanyBiological ClassificationActual

Thermococcus, Methanococcus and Methanobacterium exemplify

Options

  1. ABacteria that contain a cytoskeleton and ribosomes
  2. BArchaebacteria that contain protein homologous to eukaryotic core histones
  3. CArchaebacteria that lack any histones resembling those found in eukaryoties but whose DNA is negatively superc
  4. DBacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

Correct answer

C. Archaebacteria that lack any histones resembling those found in eukaryoties but whose DNA is negatively superc

Step-by-step solution

Archaebacteria have -ve supercoiled DNA but histones are chemically different in composition from eukaryotes.

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