The immunoglobulin that is important in hypersensitivity reactions is
A. IgA.
B. IgD.
C. IgG.
D. IgE.
D
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The reactions of the citric acid cycle take place in the matrix of the mitochondrion
__________________ Indicate whether the statement is true or false.
Which of the following terms is associated with polychaetes?
a. radula b. mantle c. parapodia d. visceral mass e. metamorphosis
The brief length of time when mammals and birds learn the appearance of a parent is called:a
imprinting. b. habituation. c. classical conditioning. d. operant conditioning. e. insight learning.
The lionfish is a venomous fish found primarily in the Red Sea and the Indian Ocean. In the 1990s, lionfish were accidentally released into the Atlantic Ocean, where they found abundant resources and favorable environmental conditions. Which of the following scenarios is most likely to result in the lionfish having a major impact on the communities into which they were introduced?
(A) With no natural predators, the lionfish population will become very large. (B) Some native species of invertebrates will develop a resistance to lionfish venom. (C) Random mating will allow the lionfish population to reach Hardy-Weinberg equilibrium. (D) A virus that specifically infects lionfish will become more prevalent.