ACTION OF PAPAIN AND FICIN ON TADPOLES AND ARBACIA EGGS.
Living tadpoles and Arbacia eggs are not digested by ficin or papain although the dead organisms are. Arbacia eggs develop in papain solutions but the cells become separated. Development is normal in ficin and trypsin solutions.
Northrop
J H
JH
Laboratories of The Rockefeller Institute for Medical Research, Princeton, New Jersey.