Name the scientist who for the first time isolated and purified the enzyme urease in crystalline form from Jack bean (Canavalia ensiformis).

The fastest acting enzyme in the biological world is ......... .

Many of the hydrolytic reactions are

Given below are two statements.
$Statement-I$: Enzyme isomerase catalyzes intramolecular rearrangement of atoms.
$Statement-II$: Oxidation and reduction reactions are catalyzed by enzyme transferase.
In the light of the above statements, choose the correct answer from the options given below.

Which of these enzymes are not made of protein?

Catalysts made up of protein that control metabolic processes are known as...