Antibodies are molecules on the cell surface that mark it as the body’s own or foreign.Question 9Select one:TrueFalse

Distinguish between antigens and antibodies and describe the roles of antibodies.

What is an antibody?

Antibodies:Question 19Select one:a.bind to antigens on the surface of pathogensb.are part of the first line of defence. c.are features on the outside of cells or pathogensd.are infections or diseases

An antibody is any substance capable of triggering an immune response

Antibodies that are produced by a plasma cell derived from a single B cell, and which therefore bind to exactly the same antigen, are called antibodies.