Which of the following would be most appropriate for removal of bacteria and viruses from a liquid?
A. Membrane filter (0.01µm)
B. Depth filter (diatomaceous earth)
C. N95 filter
D. HEPA filter
Answer: A
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Which plane divides the body into upper and lower portions?
a. sagittal b. frontal c. transverse d. midsagittal
Which of the following can result in speciation
within a few generations? a. development of a physical barrier b. polyploidy arising in a plant species c. postzygotic isolating mechanisms d. change in environmental conditions e. the introduction of a new predator into an area
While working in the lab, you observe that the only problem within a group of cells is that the cholesterol, lipid, and estrogen production rates have begun to decline. Which organelle would most likely be damaged?
According to Woods, the key to understanding feelings of hunger is to appreciate that eating meals:
(a) results in satiety (b) stresses the body (c) often leads to a conditioned aversion (d) satisfies the body