UPDATE GRADED A+
This dimeric antibody class often occurs in secretions of the respiratory and gastrointestinal
tracts.
A. IgE
B. IgM
C. IgA
D. IgG C. IgA
T/F: A secondary antibody response primarily involves IgG. T
The presence of IgM antibodies in the blood indicates _____.
A. an early stage infection
B. a chronic infection
C. an allergic reaction occurring
D. humoral immunity has yet to start A. an early stage infection
Antibody diversity results from _____.
A. mutation
B. antigenic shift
C. somatic recombination
D. complement binding C. somatic recombination
T/F: Antibodies are transported in the blood. T