Reabsorption of water and essential solutes occurs in the region labeled____
a. 1
b. 2
c. 3 only
d. 4 only
e. 3 and 4
ANSWER: b
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Mating types in fungi are generally termed ____
a. sperm and eggs b. a and b c. male and female d. plus and minus e. fungi do not have specific mating types
The molecule shown above is ribose, an example of a ____ sugar
a. triose b. hexose c. pentose d. heptose e. tetrose
Which of the following quantities of alcoholic
beverages have the least damaging effect on the liver? a. 12 ounces of beer b. 5 ounces of wine c. 1.5 ounces of vodka d. either 12 ounces of beer or 5 ounces of wine e. all have the same amount of ethanol and therefore have similar effects on the liver
The most abundant protein in mammals is collagen. This strong, ropelike molecule is particularly abundant in which tissue?
A. ligaments B. skeletal muscle C. spinal cord D. heart muscle