Because history and geography affect the diversification of species, it may be difficult to interpret patterns of diversity solely in terms of local environmental conditions.

a. true
b. false


Ans: a. true

Biology & Microbiology

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Which of the following is not a mechanism of quorum sensing in Vibrio?

A. Phosphorelay B. Antisense RNAs C. Autoinduction D. Stringent response

Biology & Microbiology

Valley fever, a medical condition caused by Coccidioides immitis, is caused by

A. common allergic reactions that many people have to the fungus. B. entry of the fungal spores by inhalation. C. toxins produced by the fungus. D. a mutation of the common fungal inhabitant of human hair, nails, and skin. E. eating the fruiting body, rather than the mycelium of the fungus.

Biology & Microbiology

Vaccinations against chicken pox provide individuals with __________ immunity

a. active natural b. active artificial c. passive natural d. passive artificial e. cell-mediated

Biology & Microbiology

The weak chemical attraction between water molecules are ______ bonds, while the stronger chemical bonds between the atoms of each water molecule are _____ bonds.

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

Biology & Microbiology