One microenvironment of the skin is an area where glands produce an oily substance called
A) mucus.
B) sebum.
C) fimbrae.
D) lipid A.
Answer: B
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Archaea genomes contain introns
Indicate whether the statement is true or false.
In a mycorrhizal association, the fungus benefits mainly by ____
a. absorbing water from the plant b. using the plant roots as a growth surface c. absorbing mineral ions from the plant d. providing water to the plant e. absorbing carbohydrates from the plant
A hydrolysis reaction results in ____.
A. bond formation of a macromolecule B. bond breakage of a macromolecule C. lipid molecule creation D. nucleic acids creation E. most macromolecules
Which factor, beginning in 1995, is responsible for the decline in chicken pox from a routine childhood disease to a rare infection?
A) ecological changes affecting the natural reservoir of the virus B) routine vaccination C) natural evolution of the virus to a less virulent form D) development of effective anti-viral medications E) changes in global migration patterns