Question

Antibodies are molecules in the immune system. Whose properties are largely determined by the shape of the molecule to which class of macromolecules do antibodies, belong one proteins. 2 nucleic acids, 3 carbohydrates, 4 lipids.

Answer 1

Antibodies belong to the class of macromolecules known as **proteins**. They are composed of long chains of amino acids and their function, including recognition and binding to specific antigens, is largely determined by their three-dimensional shape.