Antibody
Which of the following (s) is/are function (s) of Fc fragment of IgG?

It determines catabolic rate
All of these
It binds complement
It is related to passage of IgG across the placental barrier

ANSWER DOWNLOAD EXAMIANS APP

Antibody
Self reactive antibodies are not found in significant concentration in normal serum because

self reactive B cells are killed by CD8 T cells
it is impossible to generate a self-reactive antibody
B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide
self reactive B cells switch to IgA which is all secreted and not present in serum

ANSWER DOWNLOAD EXAMIANS APP