If an individual is O+, which of the following antigens are on the surface of his or her red blood cells?
A) O and Rh
B) A, B, and Rh
C) Rh
D) O
E) A and B
C
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About 80% of the alleles present in thoroughbred horses can be dated back to 31 known ancestors from the late eighteenth century. As a result, one would expect _____
A. random mating. B. Hardy-Weinberg equilibrium. C. low rates of mutation. D. many polymorphic alleles. E. little variation in physiology and behavior.
If a restriction endonuclease cuts a linear DNA three times, how many fragments should there be after the DNA is
subjected to electrophoresis through an agarose gel?
a. 1 b. 2 c. 3 d. 4 e. 5
All of the following are monosaccharides except ________.
A. glycogen B. fructose C. deoxyribose D. glucose
Which of the following is the limiting factor in chemotherapy?
A) vomiting B) hair loss C) infection D) bone marrow depression