Which of the following is a key characteristic of wetlands?
a. being covered by emergent vegetation
b. having a fast and steady flow of water
c. presence of low-elevation deltas
d. high rate of percolation
a. being covered by emergent vegetation
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Which of the following studies the effects of loss-of-function mutations?
A. Population genetics B. Transmission genetics C. Molecular genetics
If human gametes were diploid
A. the products of fertilization would have the same number of chromosomes as their parents. B. the products of fertilization would have more chromosomes than their parents. C. fertilization could not occur. D. the products of fertilization would have fewer chromosomes than their parents. E. the embryo would be diploid.
Thalidomide, now banned for use as a sedative in pregnancy, was used in the early 1960s by many women in their first trimester of pregnancy
Some of these women gave birth to children with arm and leg deformities, suggesting that the drug most likely influenced _____. A) early cleavage divisions B) differentiation of bone tissue C) morphogenesis D) organogenesis
Which of the following steps in normal cellular respiration ends with formation of water?
A) fermentation B) glycolysis C) electron transport D) citric acid cycle