Micro Organisms
Evolutionary relationships between groups of organisms are determined using which of the following type of information?

Comparisons of structural features
Comparisons of nucleotide sequences
All of these
Comparisons of biochemical pathways

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

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

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

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

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