Question

The class of protein that Mark the foreign proteins for elimination are

Answer 1

ANSWER
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The class of protein that Mark the foreign proteins for elimination are
= ANTIGEN

Answer 2

The class of proteins that mark the foreign proteins for elimination are the antigens.

The antigens are a specific type of proteins that helps or induces our body to stimulate the antibody production in our body. These are of two types exogenous and endogenous, the exogenous antigens come from outside whereas the endogenous antigens arise from inside the body.

The antigen and antibody interaction is the major phenomenon taking place in our body that helps the immune system functioning.