A) bacteria where DNA is relaxed or positively supercoiled, but which have a cytoskeleton as well as mitochondria
B) bacteria that contains a cytoskeleton and ribosomes
C) archaebacteria that contain protein homologous to eukaryotic core histones
D) archaebacteria that lack any histones resembling there found in eukaryotes, but where DNA is negatively supercoiled
E) None of the above
Correct Answer: C
Solution :
Thermococcus, Methanococcus and Methano- bacterium are example of archaebacteria. Which are characterised by a unique cell wall that lack peptidoglycan and consist of polysaccharides and protein and closely resembles the eukaryotic cell in the mechanism of protein synthesis, structural protein and RNA compliments of the ribosomes.
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