If fertilization does not occur following release of the egg by the ovary, then which one of the following degenerates approximately two weeks after ovulation?
A) primary oocyte
B) oviduct
C) endometrium layer
D) corpus luteum
E) choices A through D are correct
D
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The codon GGU codes for which amino acid?
a. valine (Val) b. arginine (Arg) c. glycine (Gly) d. serine (Ser)
A hypothesis is: a. an initial observation that is made
b. an explanation that can be tested by experiments. c. data gathered to prove a theory. d. the organization of observations made.
Which chemical, contained in the granules of basophils, helps prevent blood clot formation?
a. histamine b. leukotrienes c. prostaglandins d. heparin
e. SRS-AThe pronghorn antelope of the United States and the saiga antelope of the central Asian steppes live in similar habitats and have similar adaptations. Which of the following features would you be surprised to find in a saiga antelope?
A) camouflaging coloration B) teeth adapted to grinding tough forage C) a warmly insulating winter coat D) a digestive tract without cellulose-digesting bacteria