Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric e

1.	Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of
A.	a protein designated A
B.	two proteins designated A and B
C.	a protein A and one-subunit a
D.	a protein designated B
Answer» C. a protein A and one-subunit a

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