Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statements : About 50 per cent of the animal by-products - hair, skin, horns etc. is edible protein. American chemists have developed a method of isolating 45 per cent of this protein. They used an enzyme developed in Japan to break down soya protein. Conclusions : I. Americans have not been able to develop enzymes. II. Animal by-products protein has the same composition as soya protein.