( ( Protein synthesis ) ( ( is ( ( a ( complex process ) ) ( involving ( many ( molecular machines ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Protein) (NNP synthesis)) (VP (VBZ is) (NP (NP (DT a) (JJ complex) (NN process)) (PP (VBG involving) (NP (JJ many) (JJ molecular) (NNS machines))))) (. .)))
Protein synthesis is a complex process involving many molecular machines.
(ROOT (S (NP (NNP Gene) (NN expression) (CC and) (NN protein) (NNS synthesis)) (VP (VBP are) (ADVP (RB usually)) (VP (VBN considered) (NP (DT the) (JJ same) (JJ molecular) (NN process)))) (. .)))