Anti Bodies
A polyclonal antibody response

is produced by several B cells recognizing different pitopes on the same antigen
occurs during the lag phase of the immune response
violates clonal selection
is produced only in response to polymeric antigens

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Anti Bodies
Papain digest IgG into

three Fab fragments and three Fc fragments
two Fab fragments and one Fc fragment
three Fab fragments and two Fc fragments
two Fab fragments and two Fc fragments

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Anti Bodies
The immunoglobulin fold is

both (a) and (b)
a β-barrel composed of a three- and a four-stranded antiparallel β-sheet
found six times in the IgG molecule
found only in IgG molecules

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