During allergic reactions, what class of antibody causes mast cells and basophils to release histamine?
A) IgM
B) IgE
C) IgG
D) IgD
E) IgA
Ans: B) IgE
Biology & Microbiology
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What will be an ideal response?
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a. the central cell. b. a seed. c. the pollen tube. d. synergids. e. antipodal cells.
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Taxol and vinblastine are plant-derived medicines used to treat ________
Fill in the blank(s) with correct word
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Which type of blood vessel is both strong and elastic?
a. capillary b. artery c. vein d. venule
Biology & Microbiology