Who coined the term $zymase$ for enzymes in yeast?

At the time of cotton seeds germination,the stored food is digested by

The Michaelis constant $(K_m)$ value of an enzyme is the substrate concentration at which the velocity of the reaction is:

In which of the following processes is a water molecule required to be added?

Riboflavin and Renin are respectively .....

The rate of a chemical reaction can be expressed as $............$.