Commensalism is best described as a(n)
A) unsuccessful microbial invasion due to the presence of preexisting microbes.
B) relationship between two organisms where only one member benefits and the other is unharmed.
C) relationship between two organisms where both members benefit.
D) relationship in which a microorganism causes disease.
E) source of contamination.
Correct Answer:
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Q47: The (intestines/nasal cavities/lungs) are normally axenic.
Q48: A reservoir is
A) a source of microbial
Q49: Biofilms provide an alternative means for bacteria
Q50: The degree to which a microbe is
Q51: Microbial contamination always results in infection.
Q53: The condition known as microbial antagonism may
Q54: In commensalism, one member of the relationship
Q55: Influenza is an example of a chronic
Q56: All diseases go through the stages known
Q57: The condition called parasitism is characterized as
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