Only one vaccine currently used is partially protective against tuberculosis infection. That vaccine is:
A. CBG vaccine
B. BCG vaccine
C. BVG vaccine
D. BTG vaccine
Ans: B. BCG vaccine
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Which drug is NOT typically found in blood or urine?
A) heroin. B) morphine. C) amobarbital. D) methadone. E) amphetamine.
The evolutionary process by which new species arise is called ________
a. gene flow b. genetic drift c. speciation d. natural selection e. directional selection
The most common source of DNA mutation is _____; however, these mistakes are typically corrected
a. cigarette smoke b. UV light c. errors in DNA replication
d. errors in protein synthesis e. pesticides on the food we eat
Blue flower color (B allele) is dominant to white (b allele). If a population of plants in Hardy-Weinberg equilibrium contains white flowers (bb) at a frequency of 0.04, what is the frequency of the blue flower allele (B)?
A. 0.64 or 64% B. 0.2 or 20% C. 0.8 or 80% D. 0.96 or 96% E. 0.32 or 32%