Tryptophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consists of

Q. Tryptophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consists of

A.            a protein A and one subunit

B.            a protein designated A

C.            two proteins designated A and B

D.            a protein designated B

Answer: two proteins designated A and B