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

the initiator tRNA is charged with N-formyl-methionine
translation is inhibited by diphtheria toxin
transcription and translation are coupled
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?

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

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Micro Organisms
Archeal cells usually do not contain peptidoglycan, rather contain pseudo-peptidoglycan which is mainly composed of

N-acetylmuramic acid and L-amino acids
N-acetyltalosaminuronic acid and L-amino acids
N-acetylmuramic acid and D-amino acids
N-acetyltalosaminuronic acid and D-amino acids

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