【单选题】“Viral hepatitis is an important epidemiological factor, since chronic infection forces hepatocytes to regenerate with consequently excessive replication. Accumulation of viral products in hepatocytes...
【单选题】. A patient is exposed to hepatitis A and as a preventative measure is given hepatitis A immune globulin to prevent the patient from contracting the disease. The vaccine is an IgG immunoglobulin speci...
A.
A site consisting of the constant regions of the heavy chains
B.
A site consisting of the constant regions of the light chains
C.
A site consisting of the variable regions of the light chains
D.
A site consisting of the variable regions of the heavy chains
E.
A site consisting of variable regions of both the light and heavy chains