A drug is structurally similar to PABA and inhibits folic acid synthesis. It is most likely a(n)
A. nucleic acid analog.
B. penicillin.
C. tetracycline.
D. azole.
E. sulfonamide.
Answer: E
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A male who inherits an extra X chromosome will have
A. Klinefelter syndrome. B. Turner syndrome. C. Down syndrome. D. Polyploid syndrome. E. Edward syndrome.
Draw a cladogram that for the following animals: sponges, cnidarians, flatworms, echinoderms,
chordates, molluscs, annelids, nematodes, and arthropods. On your cladogram indicate the points where the following evolved: 1) true tissues, 2) bilateral symmetry, 3) three germ layers, 4) segmentation, 5) protostome development, and 6) deuterostome development What will be an ideal response?
During long, sustained aerobic exercise, a lot of heat is generated that elevates body temperature. Describe how a homeostatic control system would likely work to cool body temperature back to normal. Specify each component of the control system
What will be an ideal response?
The condition that is characterized by the wearing-down of joints due to insufficient cartilage repair iscalled:a
osteitis. b. osteoporosis. c. osteophoresis. d. osteoarthritis. e. osteon disease.