Micro Organisms
Mycoplasmas are different from the other prokaryotes by

presence of murrain in cell walls
presence of chitin in cell walls
presence of proteins in cell walls
absence of cell wall itself

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Micro Organisms
A characteristic of protein synthesis in both the archaea and eukarya is

transcription and translation are coupled
translation is inhibited by diphtheria toxin
proteins are synthesized from D-, rather than L-, isomers of amino acids
the initiator tRNA is charged with N-formyl-methionine

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Micro Organisms
Eukaryotic cell organelles first emerged

when bacteria made their first attempts at reproduction
just before the origin of the animal and fungal kingdoms
when prokaryotes engulfed each other and became interdependent
from a specialized lineage of cells within the kingdom Protista

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