A flagellum is to a bacterium as ____ is to a

boat.



a. a captain
b. an engine
c. a propeller
d. a bow
e. an anchor


C

Biology & Microbiology

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According to studies by Norman Terry and coworkers, some plants can perform a version of

bioremediation of selenium in wastewater by

a. converting selenium to a form that kills waterfowl. b. using selenium to make a necessary supplement for humans. c. converting selenium into a relatively nontoxic gas. d. storing selenium in the soil. e. increasing the selenium concentration in the water.

Biology & Microbiology

In bacterial cells, when glucose is completely oxidized by all the pathways of aerobic cellular respiration, what is the maximum number of ATP generated?

A. 2 B. 36 C. 3 D. 24 E. 38

Biology & Microbiology

Groups of bacteria living together in a close

knit group are also known as a. eukaryotes. b. all pathogenic bacteria. c. monophylogenic cultures. d. biofilms. e. all of these

Biology & Microbiology

What is the difference between organic and inorganic fertilizers?

A) Organic fertilizers are carbon-based and are made from decomposed plant and animal wastes; inorganic fertilizers lack carbon and are produced by an industrial chemical process. B) Inorganic fertilizers are carbon-based and are made from decomposed plant and animal wastes; organic fertilizers lack carbon and are produced by an industrial chemical process. C) Organic fertilizers are carbon-based and are produced by an industrial chemical process; inorganic fertilizers lack carbon and are made from decomposed plant and animal wastes. D) Inorganic fertilizers are carbon-based and are produced by an industrial chemical process; organic fertilizers lack carbon and are made from decomposed plant and animal wastes.

Biology & Microbiology