Which assay is the current recommended method of detection in most laboratories for influenza A and B viruses?
a. Conventional cell culture
b. Enzyme immunoassays
c. Reverse transcriptase polymerase chain reaction (RT-PCR)
d. Shell vial culture
C
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Mineral soils largely come from weathered limestone and sand
Indicate whether the statement is true or false.
The enzyme that catalyzes the activation of tRNA molecules is:
A. the ribosome. B. RNA polymerase. C. tRNA isomerse. D. aminoacyl-tRNA synthetase.
Which term refers to a species that evolved in
area and still resides that area?
a. invasive b. endemic c. endangered d. exotic e. persistent
Using the genetic code, predict what type of mutation has occurred in the hemoglobin sickle cell anemia allele. Normal allele GGAAUGAAACAGGAACCC Mutant allele GGAAUGAAACAGGUACCC
A. a point mutation, Val to Glu B. a frame shift C. addition of a new stop codon D. a point mutation, Glu to Val