The process of desensitization to prevent allergies involves the injection of increasing amounts of
A) IgE.
B) IgG.
C) antihistamine.
D) antigen.
E) RhoGAM.
D
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Darwin's voyage took place between ____
a. 1730 and 1735 b. 1830 and 1835 c. 1853 and 1858 d. 1930 and 1938 e. none of the choices
The archenteron develops into
A) the mesoderm. B) the blastocoel. C) the endoderm. D) the placenta. E) the lumen of the digestive tract.
Cell surface markers involved in immune reactions
A. participate in communication with other cells of the system. B. are the result of genetic expression. C. function in recognition of self molecules. D. aid in cellular development. E. All of these choices are correct.
Proteins that are embedded within the cytoplasmic membrane and not easily extracted are called ________ proteins.
A. external B. peripheral C. internal D. integral