Denaturation: an example of a catastrophe.
D002122:Calcium Chloride; D002712:Chlorides; D003094:Collagen; D006146:Guanidines; D006859:Hydrogen; D006863:Hydrogen-Ion Concentration; D008433:Mathematics; D008956:Models, Chemical; D009113:Muramidase; D009905:Optical Rotatory Dispersion; D011487:Protein Conformation; D011489:Protein Denaturation; D012260:Ribonucleases; D013696:Temperature
D002712:Chlorides; D006146:Guanidines; D006859:Hydrogen; D003094:Collagen; D012260:Ribonucleases; D009113:Muramidase; D002122:Calcium Chloride