Antibodies are found in
A) milk.
B) mucosal secretions.
C) serum.
D) milk, mucosal secretions, and serum.
Answer: D
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Which of the following is a North American
biome that has mostly disappeared because of extensive farming of wheat and corn?
a. chaparral b. grasslands c. boreal forest d. desert e. more than one of these
Hemophilia is a genetic disorder in which the blood
a. does not contain platelets. b. does not contain white blood cells. c. contains too many platelets. d. does not contain the usual clotting factors. e. contains too many clotting factors.
The best definition of an axon terminal is ___________
Fill in the blank(s) with the appropriate word(s)
What did Stephen Carter and his team from University of Madison-Wisconsin study?
a. salt water intrusion into estuaries b. tipping points for endangered food webs c. acidification of ocean ecosystems d. effects of dams on river flow e. desertification of dune ecosystems