A highly resistant bacterial structure having a low metabolic rate is a(n) 

A. pathogen.
B. mutation.
C. endospore.
D. toxin.


C. endospore.

Biology & Microbiology

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Accommodation refers to the adjustment of the lens curvature by the ciliary muscle when you focus on near or far objects.

a. true b. false

Biology & Microbiology

Which of the following statements about the nitrogen cycle is false?

a) Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+). b) Denitrification by bacteria converts nitrates (NO3-) to nitrogen gas (N2). c) Nitrification by bacteria converts nitrates (NO3-) to nitrites (NO2-). d) Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.

Biology & Microbiology

Multiple nuclear divisions without cytoplasmic divisions result in cells called

a. mycoses. b. coenocytes. c. haustoria. d. pseudohypha

Biology & Microbiology

When a goose spots an egg outside of its nest, the goose gets out of the nest and rolls the egg back. Once started, a goose continues the egg-retrieval movement all the way back to the nest, even if the egg is taken away during the process. This is called:

a) step-wise reproductive collaboration. b) repeated pattern fixation. c) a fixed action pattern. d) prepared learning. e) supernormal stimulus.

Biology & Microbiology