In what way are DNA and RNA similar?
A. Both contain U, C, and G.
B. Both contain C, A, and G.
C. Both form a double helix.
D. Both are single stranded.
E. Both contain deoxyribose.
Answer: B
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Which type of assay uses a variety of endpoint measurements to determine whether the virus is inhibited by the antiviral drug or is demonstrating drug resistance?
a. Phenotypic b. Genotypic c. NA inhibition assay d. Enzyme immunoassay
If the DNA from a single cell were stretched end to end, how long would it be?
a. 2 nanometers b. 2 micrometers c. 2 millimeters d. 2 centimeters e. 2 meters
If a child was allergic to a substance scratched onto their skin, the area would turn red and swollen within about 10 minutes. Which of the following would cause these symptoms?
A. release of interleukin-10 B. recruitment of B cells C. release of histamine D. presence of flatworms E. presence of dust mites
During embryonic development the ovaries
A. produce oocytes. B. produce estrogen. C. release eggs. D. produce progesterone.