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

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

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

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

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

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

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