Which of the following is NOT a function of mucilage in bacteria?

A. protection against a host's immune system
B. facilitating acquisition of mineral nutrients
C. acting as a flotation device
D. nitrogen fixation
E. holding cells together for communication among them


D. nitrogen fixation

Biology & Microbiology

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Many species in the phylum Crenarchaeota are considered extreme thermophiles or _______, which can grow at temperatures above 100°C.

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

Biology & Microbiology

Living organisms are different from inanimate objects because they

a. react to environmental stimuli. b. exhibit very high levels of complexity. c. possess molecules of deoxyribonucleic acid. d. exhibit multiple levels of organization. e. possess or exhibit all of these

Biology & Microbiology

Olfactory neurons first transmit their action potential to the central nervous system structure called the

A. amygdala. B. olfactory bulb. C. cerebellum. D. accessory olfactory bulb. E. cerebral cortex.

Biology & Microbiology

The most recent era of the geologic time scale is the____era

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

Biology & Microbiology