Which of the following are a class of immunoglobin? (Check all that apply.)
_____ IgA
_____ IgB
_____ IgC
_____ IgD
_____ IgE
_____ IgG
_____ IgM
__X__ IgA
_____ IgB
_____ IgC
__X__ IgD
__X__ IgE
__X__ IgG
__X__ IgM
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The accuracy of the capture-recapture methods
depends on all of the following EXCEPT that a. marked individuals are recaptured at random. b. unmarked individuals are captured at random. c. none of the marked individuals are overlooked. d. no marked individual dies or departs during the study. e. no new individuals are produced during the study.
The oxygen-minimum layer of an ocean occurs in the
A) abyssalpelagic zone. B) bathypelagic zone. C) epipelagic zone. D) mesopelagic zone.
What molecule releases energy to power the transport work across cell membranes?
A) ADP B) ATP C) NADP D) NADPH
Which of the following is TRUE about group selection?
a) It is a common occurrence in large populations. b) It is at least as common as reciprocal altruism. c) It leads to unselfish individual behavior that benefits the population or species. d) It tends to increase altruistic behavior. e) It becomes progressively more common over several generations.