Question

Define antibodies and explain.

Answer 1

Anti=Against, Bios=Life are the chemical substances produced by some microorganisms like Fungi which kill or stop the growth of disease causing microorganisms in the body.

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Answer 2

Answer:

The protein which is produced by B-lymphocytes in response to an antigen and can specically interact with  the antigen. This interaction depends on specic structure of antigen and is at the root of immune system.

In other words, antibody-antigen reaction forms the basis of immune system. Antigen is also called  immunoglobin ,  Antibodies are gamma globulin (γ-globulin) protein produced by plasma cells. The part  of antibody which reacts with antigen is called paratope.