Biochemistry Serine proteases A Hydrolyze peptide bonds involving carboxyl groups of serine residues B Are characterized by having several active sites per molecule, each containing a serine residue C Are inactivated by reaching with one molecule of di-isopropyl-fluorophosphate per molecule of protein D Are exopeptidases 💡 Explanation Serine proteases ✓ Correct Answer: B. Are characterized by having several active sites per molecule, each containing a serine residue