According to the animation, antibodies interact with which innate defenses?
a. Phagocytosis, inflammation, and the complement system
b. The complement system
c. First-line defenses
d. Phagocytosis
e. Phagocytosis and the complement system
f. Inflammation
Ans: e. Phagocytosis and the complement system
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Allelochemicals are active in preventing
(a) herbivore feeding. (b) germination of plant competitors. (c) infection by pathogens. (d) all of the above.
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a. generates excitatory signals for muscle contraction. b. is under voluntary control. c. receives electrical signals from the AV node. d. is located in the right atrium. e. is all of these
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a. contains several copies of the same chromosomes. b. contains only autosomes. c. contains one copy of each chromosome. d. contains chromosomes that all have the same size. e. contains two of each type of chromosome