Question

What is meant by antibody, antibiotics and antigen?

Answer 1

Antibody: a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.

Antibiotics: a substance produced by or a semisynthetic substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism.

Antigen: a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.