Differentiation of the type of influenza virus, such as type A versus B, is important because
A) the information is used to create the vaccine for the next year.
B) it determines if additional testing is necessary.
C) antigenic shift can cause the emergence of a new strain.
D) antiviral agents used for treatment depend on the type identified.
Question 2
Linda, a 54-year-old female, presents to her clinician with signs and symptoms suggestive of a porphyria.
The following laboratory tests and results are:
Feces analysis: increased coproporphyrin III/I ratio
Urine analysis: increased porphyrins and porphobilinogen
Which of the following disorders are consistent with these laboratory results?
A) Variegate porphyria B) Hereditary porphyria
C) Acute intermittent porphyria D) Porphyria cutanea tarda
Examples of structures in which extensive surface area is important for function.
An onager, one type of wild ass
Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Lac versus trp operon
Structures of other important isoprenoids