Micro Organisms
Which of the following is a characteristic unique to the ciliates?

Use of cilia as a sensory function
Possess a light-detecting eye spot
Presence of both a macronucleus and several micronuclei
Both (a) and (b)

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

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

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