Identify the correct labellings for Q, R, S and T for the lac operon in E.coli as given below :
Choose the correct option from the given table :
QRSS(A)Structural geneOperatorβ-GalactosidaseRepressor(B)Regulatory genePrometerTransacetylaseRepressor protein(C)Structural geneOperatorPermeaseRepressor protein(D)Regulatory genePromoterβ-GalactosidaseRepressor