Exercise: Micro Organisms

Questions for: Micro Organisms

Primary differences between cilia and flagella are
A:
arrangement of microtubules
B:
length and location of basal bodies
C:
how the microtubules are fused to each other
D:
number, length and direction of force
Answer: D
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The membranes of which domains are chemically the most similar?
A:
Archaea and Bacteria
B:
Bacteria and Eukarya
C:
Eukarya and Archaea
D:
membranes of all three domains are chemically identical
Answer: B
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The five-kingdom system of classification was set up by
A:
Louis Pasteur
B:
Robert Whittaker
C:
Robert Koch
D:
Masaki Ogata
Answer: B
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Cell theory includes all of the following except
A:
all organisms are composed of one or more cells
B:
the cell is the most primitive form of life
C:
the cell is the structural unit of life
D:
cells arise by division of preexisting cells
Answer: B
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A characteristic of protein synthesis in both the archaea and eukarya is
A:
transcription and translation are coupled
B:
translation is inhibited by diphtheria toxin
C:
proteins are synthesized from D-, rather than L-, isomers of amino acids
D:
the initiator tRNA is charged with N-formyl-methionine
Answer: C
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