Anti Bodies
Cleavage of an IgG molecule by a specific protease can produce

an inactive mixture of oligopeptides
an antigen-binding site and two constant regions
two Fab fragments and one Fc fragment
two heavy chain-light chain dimers

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Anti Bodies
Type A blood

contains type B antigens on the surface of red blood cells
can be used to donate to type B individuals
can always be used to donate to an Rh+ individual
can be used to donate to type AB individuals

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Anti Bodies
IgE provides

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

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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
is produced only in response to polymeric antigens
violates clonal selection

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