Anti Bodies
The immunoglobulin fold is

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

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Anti Bodies
Monoclonal refers to

all the antibody molecules which are identical
All of these
a single clone of antibody-producing cells
the binding with same antigenic site with identical binding affinities

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Anti Bodies
A polyclonal antibody response

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

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Anti Bodies
IgE provides

All of these
secretions in the body
immunity against some parasites
complement killings of the cells and phagocytosis

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