Twitching motility involves ________.

A. type IV pili
B. peritrichous flagella
C. monotrichous flagella
D. periplasmic flagella


Answer: A

Biology & Microbiology

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A. they lack end-walls B. they lack pits C. they are formed from a single cell D. water enters and exits through pits

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Is it possible to be a "carrier" (phenotypically normal but capable of passing the allele to one's offspring) for a sickle-cell anemia?

a. yes b. no

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Chemotrophy makes ATP and stores energy in Ion Gradients: ETS

What will be an ideal response?

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Compound eyes are composed of independent visual units called

A. ocelli. B. ommatidia. C. retinas. D. apposition segments. E. simple eyes.

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