Which test would be best to determine the actual genotype in an HLA matching?
A) enzyme-linked immunosorbent assay
B) serological testing
C) polymerase chain reaction
D) flow cytometry
Ans: C) polymerase chain reaction
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Which letter in the figure above corresponds to a large efflux of K+ ions from the cell?
A) A B) B C) C D) D E) E
The physical appearance and physiology of an organism, resulting from interactions of its genetic makeup and its environment, is its
a. phenotype. b. hybrid vigor. c. dominance. d. genotype.
A side effect of the Army’s solution to the
contamination problem at its Aberdeen Proving Grounds is a. increased ground-water pollution. b. the depletion of most soil nutrients. c. the restoration of the soil’s normal inhabitants. d. increased air pollution. e. none of these.
What structure is present within a follicle?
A. vaginal cleft B. labia C. mucus-secreting glands D. oocyte E. clitoris