Micro Organisms
Which of the following is not true for prokaryotic organism?

80S ribosomes are distributed in cytoplasm
Cell wall contains peptidoglycan as one of the major component
Chromosomes does not contain histones
Nucleus is not bounded by nuclear membrane

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Micro Organisms
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that

oxygenic photosynthesis first evolved in eukaryotes
eukaryotes evolved from bacteria
eukaryotes evolved from archaea
cyanobacteria arose from chloroplasts which escaped from plant cells

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