( This ( ( allows ( the ( bacterium ( to ( ( ( ( synthesize ( a ( cell wall ) ) ) and ) thus ) grow ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ allows) (NP (DT the) (NN bacterium) (S (VP (TO to) (VP (VP (VB synthesize) (NP (DT a) (NN cell) (NN wall))) (CC and) (ADVP (RB thus)) (VP (VB grow))))))) (. .)))
This allows the bacterium to synthesize a cell wall and thus grow.
(ROOT (S (NP (DT A) (NN lysozyme)) (VP (VBZ destroys) (NP (NNS bacteria)) (PP (IN by) (S (VP (VBG digesting) (NP (PRP$ their) (NN cell) (NNS walls)))))) (. .)))