To explain the mechanism of enzymatic action, who proposed ''Lock and key hypothesis''

Options

A. Fischer
B. Jacob
C. Koshland
D. Sumner

Answer

A

Explanation

(a) Lock and key theory : Emil Fischer proposed this theory, according to which on the surface of enzymes a few elevations and ditches are found known as active sites and enzymes bind reactants on these sites to create reaction between them.