Which of the following preventative measures is used to protect renal transplant patients from BK virus infection?
A. Injections of pooled human gamma globulin
B. Prophylactic treatment with human leukocyte interferon
C. Vaccination
D. Prophylactic treatment with amantadine
Answer: B
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The genotypic definition of race states that races are populations of the same species in which allele frequencies differ by ____
a. 15%-20% b. 85% c. 1 in 1000 nucleotides d. 25%-30% e. 5%-10%
When DNA ligase is used to combine a human fragment with a plasmid, the result is a redundant
plasmid. __________________ Indicate whether the statement is true or false.
Helix-turn-helix and zinc fingers are secondary structural motifs in DNA and RNA, respectively.
Answer the following statement true (T) or false (F)
Since viruses are typically 20-200 nm in diameter, the ____ microscope is best for viewing them
a. light
b. electron
c. fluorescent
d. polarizing
e. contrasting