BIOMOLECULES AND ENZYMES

Detailed explanation-1: -What are antibodies made of? Antibodies are proteins. Each antibody has four polypeptides (peptides that consist of two or more amino acids), including two heavy chains and two light chains.

Detailed explanation-2: -Protein is also a critical part of the processes that fuel your energy and carry oxygen throughout your body in your blood. It also helps make antibodies that fight off infections and illnesses and helps keep cells healthy and create new ones.

Detailed explanation-3: -Antibodies are host proteins that are produced by the immune system in response to foreign molecules that enter the body. These foreign molecules are called antigens, and their molecular recognition by the immune system results in selective production of antibodies that are able to bind the specific antigen.

Detailed explanation-4: -An antibody is a protein component of the immune system that circulates in the blood, recognizes foreign substances like bacteria and viruses, and neutralizes them.