Question

Hydantoinase and a carbamoylase used in the production of aminoacids from D-hydantoins may be obtained from _____________ species.

(a) yeast

(b) escherichia

(c) aspergillus

(d) arthrobacter

I had been asked this question in final exam.

My enquiry is from Immobilized Enzymes topic in section Immobilized Enzymes and their Uses of Enzyme Technology

Answer 1

Right answer is (d) arthrobacter

To explain: Hydantoinase and a carbamoylase used in the production of aminoacids from D-hydantoins may be obtained from Arthrobacter species. Yeast species helps in the production of invertase. Aspartase is from Escherichia species whereas lactase can be produced from aspergillus species.