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

Biology & Microbiology

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Which drug is NOT typically found in blood or urine?

A) heroin. B) morphine. C) amobarbital. D) methadone. E) amphetamine.

Biology & Microbiology

The evolutionary process by which new species arise is called ________

a. gene flow b. genetic drift c. speciation d. natural selection e. directional selection

Biology & Microbiology

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

Biology & Microbiology

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%

Biology & Microbiology