Answer:
anything contrary to the information provided below
Step-by-step explanation:
Proteins determine the shape and structure of cells and the direction of almost all vital processes. Protein functions are specific to each of them and allow cells to maintain their integrity, defense of external agents, damage repair, control and regular functions, etc. selective binding to molecules. Structural proteins agree with other molecules of the same protein to cause a larger structure. However, other proteins bind to different molecules: antibodies to specific antigens, hemoglobin to oxygen, enzymes to their substrates, regulators of genetic expression to DNA, hormones to their specific receptors, etc.