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

What will be an ideal response?

Biology & Microbiology