Which is the smallest unit of an element that retains
the properties of the element?
a. atom
b. compound
c. ion
d. molecule
e. mixture
Answer: a
Biology & Microbiology
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Temperature at which a solid state changes to a liquid state
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If a bacterium with the ability to survive the effects of an antibiotic "pops up" in a population, it most likely
A. resulted from spontaneous mutation. B. increased in number before the antibiotic began to be used. C. was introduced from another species. D. was created by the antibiotic.
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All etiologic agents are pathogens.
a. true b. false
Biology & Microbiology
what is the term for organisms that obtain nutrient from dead organisms through decomposition
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Biology & Microbiology