Q. The lock and key theory of enzyme structure and function was proposed by

 1884  198 Haryana PMTHaryana PMT 2009 Report Error

Solution:

Emil Fischer (1894) proposed lock and key theory to explain the mechanism of enzyme action. According to this theory, the active sites of enzyme have a specific geometric shape where in the substrate molecule gets fitted to form enzyme-substrate complex. This is like the fitting of a key to a particular lock.