Micro Organisms
Cell theory includes all of the following except

all organisms are composed of one or more cells
the cell is the most primitive form of life
cells arise by division of preexisting cells
the cell is the structural unit of life

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

transcription and translation are coupled
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

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

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

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Micro Organisms
Eukaryotic cell organelles first emerged

from a specialized lineage of cells within the kingdom Protista
when prokaryotes engulfed each other and became interdependent
when bacteria made their first attempts at reproduction
just before the origin of the animal and fungal kingdoms

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