( ( Gene expression ) ( ( can ( be ( controlled ( by ( regulating ( ( the ( ( synthesis and ) stability ) ) ( of ( ( ( functional RNA ) and ) protein ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Gene) (NN expression)) (VP (MD can) (VP (VB be) (VP (VBN controlled) (PP (IN by) (S (VP (VBG regulating) (NP (NP (DT the) (NN synthesis) (CC and) (NN stability)) (PP (IN of) (NP (NP (NNP functional) (NNP RNA)) (CC and) (NP (NN protein))))))))))) (. .)))
Gene expression can be controlled by regulating the synthesis and stability of functional RNA and protein.
(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)))) (. .)))