The practice of deliberately stimulating the immune system is called
A. acquired immunity.
B. memory immunity.
C. vaccination.
D. hypersensitivity.
C
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Which cartilage forms the "Adam's apple"?
a. cricoid b. cricothyroid c. thyroid d. meniscus e. fibrocartilage
A culture medium on which only gram-positive organisms grow, and in which a yellow halo surrounds Staphylococcus aureus colonies, distinguishing S. aureus from other growing species, is best described as
a. a selective, but not differential medium. b. a differential, but not selective medium. c. an enrichment culture d. both a selective and differential medium. e. both a differential and enrichment culture.
All of the following are components of an amino acid EXCEPT a(n)
A) carboxyl group. B) pentose group. C) amino group. D) ?-carbon. E) R group.
The proband in a pedigree is always heterozygous. Indicate whether the statement is true or false