A diagnosis of genital herpes is confirmed by the
A) detection of herpesvirus DNA by PCR.
B) location of herpetic lesions.
C) appearance and size of herpetic lesions.
D) appearance of stained tissue specimens.
E) binding of fluorescent antibodies.
A
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The terms "run" and "tumble" are generally associated with
A) eukaryotic cells. B) nutrient transport. C) chemotaxis. D) clustering of certain rod-shaped bacteria.
If one person in 50 is a carrier of an autosomal recessive disorder in a population, the chance that an unrelated man and woman are both carriers is
A) 1/50. B) 1/100. C) 1/1000. D) 1/2500.
Most freshwater algae belong to which group?
a. red algae b. green algae c. brown algae d. golden algae e. blue-green algae
A zygote is a(n) ____
a. diploid cell b. haploid cell c. gamete d. female gonad e. male gonad