Science, A l m a -A t a 480100, Krasin S t r . 106, USSR Abstract: The r e s u l t s of studying the hydrodynamic p r o p e r t i e s , complexation a b i l i t y and c a t a l y t i c a c t i v i t y of some s y n t h e t i c polyampholytes are presented. Much a t t e n t i o n has been paid t o studying the hydrodynamic and conformational c h a r a c t e r i s t i c s of