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
Nucleus is not bounded by nuclear membrane
Chromosomes does not contain histones

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

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

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