As air is inhaled, which of these four structures is the last to be encountered?
A) larynx
B) trachea
C) bronchiole
D) bronchi
C
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Which way do ocean currents circulate in the Northern Hemisphere?
a. counterclockwise b. clockwise c. away from continents
d. toward the shore e. parallel to the direction of the shore
Which of the following may characterize monosaccharides?
a. An amino group
b. Carbon and hydrogen 1:2 ratio c. A backbone of eight carbon atoms d. One carbonyl group e. The presence of glycerol and fatty acids
Suppose a particular protein is produced in excess of the cell's needs. What kind of mechanism will intervene to stop
production? a. growth b. anabolic c. metabolic d. respiratory e. homeostatic
At temperatures higher than the maximum growth temperature for an organism,
A) proteins are permanently denatured. B) membranes become too fluid for proper function. C) hydrogen bonds within molecules are broken. D) hydrogen bonds are broken and proteins are permanently denatured. E) hydrogen bonds are broken, proteins are denatured, and membranes become too fluid.