Proteases, also called peptidase or proteinase, are a kind of simple destructive enzymes necessary for protein catabolism and the generation of amino acids in primitive organisms by hydrolyzing peptide bonds. If you still feel confused ,the link below may be helpful in some degree: https://www.creative-enzymes.com/similar/Protease_608.html
It would be adhesion because the others are talking about elements and chemical compunds and adhesion means that molecules are attracted to other objects than itself.
