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

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

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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
transcription and translation are coupled
translation is inhibited by diphtheria toxin

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Micro Organisms
The unifying feature of the archaea that distinguishes them from the bacteria is

cytoplasmic ribosomes that are 70S
presence of a cell wall containing a characteristic outer membrane
absence of a nuclear membrane temperature
habitats which are extreme environments with regard to acidity

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