Nearsightedness is also called
a. myopia.
b. hyperopia.
c. presbyopia.
d. none of the above.
b
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The Centers for Disease Control estimate that ________ of all hospital patients acquire some type of health-care-associated infection.
A. about 1 percent B. about 5 percent C. about 50 percent D. about 20 percent
Metamorphosis occurs in which of the following vertebrate classes?
a. Chondrichthyes b. Reptilia c. Myxiniformes d. Amphibia e. Actinistia
The structure labeled 9 in Figure 29-2 was produced by:
a. fertilization of two zygotes. b. meiosis in the resting sporangium. c. meiosis in the zoosporangium. d. mitosis in the resting sporangium. e. mitosis in the zoosporangium.
How many human chromosomes could fit into a single bacterial cell?
a. 0 b. 1 c. 23 d. 46 e. 92