The hypersensitivity treatment that stimulates an increase of IgG and regulatory T cells as well as a decrease in IgE is known as
A. desensitization.
B. immunity.
C. sensitization.
D. exposure.
E. anaphylaxis.
A
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Which of the following is evidence that the
continents are not static?
a. the jigsaw puzzle fit of continents like South America and Africa b. fossils occur in identical rock formations on both sides of the Atlantic Ocean c. magnetic poles of large rock formations point in different directions d. at certain places beneath the ocean, the sea floor is spreading e. all of these are evidence that the continents are not static
In sexual reproducers, meiosis gives rise to
a. diploid gametes. b. haploid gametes. c. triploid gametes. d. haploid germ cells. e. diploid germ cells.
Another term for a triplet code is ________
A) an enhancer B) a promoter C) tRNA D) a factor E) a codon
The cortex found in the center of a dicot stem or a monocot root is made of what type of tissue?
A. dermal tissue B. vascular tissue C. ground tissue D. epithelial tissue