In the genus Caulobacter, asymmetric transverse fission produces a flagellated ________ cell that swims off but eventually settles, ejects its flagella, and forms a ________ that adheres to surfaces.

Fill in the blank(s) with the appropriate word(s).


swarmer, stalk

Biology & Microbiology

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The molecule that is polar and acts like a base is

A. R-NH2 B. R-CO-R C. R-OH D. R-PO4 E. R-SH

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Because it has no aquaporins, water is generally trapped in the ____ in mammals

a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle

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If a different scientist was comparing the soil nutrients in a region where Venus fly-traps live to soil components in other ecosystems, which type of ecology would that be?

a. population ecology b. community ecology c. ecosystem ecology d. organismal ecology

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Bacteria that are used as biosensors

A) migrate to the hazardous chemical. B) do not emit light in the presence of a hazardous chemical. C) degrade hazardous chemicals. D) have chlorophyll. E) may use the lux operon.

Biology & Microbiology