( ( ( Were ( the ( two domains ) ) ) ( part ( of ( the ( same ( polypeptide chain ) ) ) ) ) ) ? )
(ROOT (SQ (VBD Were) (NP (DT the) (CD two) (NNS domains)) (PP (ADVP (NN part)) (IN of) (NP (DT the) (JJ same) (NN polypeptide) (NN chain))) (. ?)))
Were the two domains part of the same polypeptide chain?
(ROOT (S (NP (NNP Insulin)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (CD two) (JJ polypeptide) (NNS chains))))) (. .)))