Question

which types of proteins help defend the body against foreign agents like bacteric

Answer 1

ntibodies

Antibodies are a kind of protein that gets secreted by B lymphocytes of the immune system, and each antibody is going to be specific to one epitope. Once the antibody finds its specific target, such as the surface of a pathogenic bacteria, other cells in the immune system will perform a certain function depending on the kind of antibody.
http://openstudy.com/study#/updates/51927302e4b0d270317e6b9e

Answer 2

Antibodies*

Answer 3

Hello @Ryanne18 !!

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Answer 4

Its antibodies