What is the definition of an antibody?

Answer An antibody is an immune protein that is produced in response to the introduction of an antigen in the body. White blood cells produce antibodies to fight against foreign objects, such as microorga... Read More »

Top Q&A For: What is the definition of an antibody

How big is an antibody?

Antibodies are protein molecules that help the body fight infection. Their size is an important characteristic. An antibody is 150 dalton (kDa). This unit measures molecular mass and is equal to th... Read More »

What is the role of an antibody?

Antibodies are the vanguard of the body's defense against infection. When a person becomes infected, it activates the immune system, resulting in the production of antibodies.DefinitionWhen foreign... Read More »

What is a primary antibody?

A primary antibody is the antibody that attaches directly to an antigen (protein, bacteria, virus, etc.). Secondary antibodies attach to primary antibodies in order to attack an antigen. Primary an... Read More »

What is a neutralizing antibody?

An antibody is a protein made by your body’s immune system. A neutralizing antibody attaches to a virus and prevents it from infecting a cell. Neutralizing antibodies are used frequently in HIV a... Read More »