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

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

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Micro Organisms
Which of the following best represents the hierarchy of levels of biological classification?

Kingdom, phylum, family, class, order, genus, species
Kingdom, phylum, class, order, family, genus, species
Phylum, kingdom, class, order, genus, species, family
Class, order, kingdom, phylum, family, genus, species

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Micro Organisms
Eukaryotic cell organelles first emerged

from a specialized lineage of cells within the kingdom Protista
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

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