Question

First enzyme to be isolated in pure crystalline from was

• A. Zymase
• B. Urease
• C. Invertase
• D. Diastase

Answer 1

The correct option is B Urease

A.Zymase – enzyme involved in fermentation, first discovered by Edward Buchner.

B.Urease - catalyzes the hydrolysis of urea into ammonia and carbon dioxide. It is the enzyme first isolated by James Sumner.

C.Invertase - hat catalyzes the hydrolysis (breakdown) of sucrose (table sugar) into fructose and glucose.

D.Diastase - that catalyses the breakdown of starch into maltose.

So, the correct option is ‘Urease’.