Nematocysts are

a. reproductive cells.
b. excretory organs.
c. sets of muscle cells.
d. circulatory cells.
e. defensive cells.


E

Biology & Microbiology

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While wastewater is in an activated sludge tank, much of the organic matter is

A) oxidized. B) adsorbed to the floc. C) incorporated into microbial cells. D) oxidized, adsorbed to the floc, and incorporated into microbial cells.

Biology & Microbiology

The distribution of major biomes is controlled mainly by ____

a. ocean currents b. climate c. human manipulation d. longitude e. latitude

Biology & Microbiology

Compared with B-DNA, A-DNA is ________ compact, has ________ base pairs per turn, and is a ________ helix

A) more; fewer; left-handed B) less; fewer; left-handed C) less; more; right-handed D) more; fewer; right-handed E) more; more; right-handed

Biology & Microbiology

Because of the similarity in cellular morphology among the Enterobacteriales, biochemical or genetic tests are needed for identification of particular genera and species.

Answer the following statement true (T) or false (F)

Biology & Microbiology