Microbiota of the skin are most likely to be found
A. in association with oil and sweat glands.
B. where there is little moisture.
C. where the pH of the skin secretions is below 4.
D. All of the choices are correct.
Answer: A
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To make the skin more flexible and remove wrinkles ______ could be injected beneath a person's skin.
A. collagen B. proteoglycan C. cellulose D. laminin E. fibronectin
A fruit that develops from a single ovary, such as a peach, in a single flower is called a(n)
a. aggregate fruit. b. accessory fruit. c. multiple fruit. d. simple fruit. e. compound fruit.
Introduction of previously nonexistent genes into a population may be accomplished by
a. nonrandom mating. b. mutation. c. sexual recombination. d. the founder effect. e. birth.
In 20-40% of men past puberty, the mumps virus can cause
a) orchitis. b) liver damage. c) fever. d) death.