For a donor organ not to be rejected by the recipient:a
the MHC complexes should be compatible.
b. the recipient's plasma cells would be inactivated.
c. the recipient's passive immunity pathway would be activated.
d. the NK cells of the recipient would be inactivated.
e. the cytotoxic T cells would be inactivated.
A
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During a dive, a marine mammal experiences an increase in the partial pressure of dissolved gases of about 1
atmosphere for every ____ meter(s) in depth
a. 1 b. 5 c. 10 d. 15 e. 20
An example of a boneless muscular organ is a(n) ____
a. urethra b. tendon c. ligament
d. tongue e. muscle fiber
Food chains in the ocean depths tend to be long
because these habitats have a. an abundance of producers. b. stable environmental conditions. c. a variety of energy sources. d. an abundance of decomposers. e. small numbers of predators.
Which one of the following pairings of an aneuploidy and the syndrome it causes is incorrectly
matched? A. X-chromosome monosomy (X and no Y) causes Turner syndrome. B. X-chromosome trisomy causes Klinefelter syndrome. C. Trisomy 21 causes Down syndrome. D. Trisomy 13 causes Edwards syndrome. E. Uniparental disomy causes Prader-Willi syndrome.