( ( ( Both macromolecules ) ( -LRB- ( ( large molecules ) -RRB- ) ) ) ( ( are ( required ( for ( ( ( control ( of ( cellular activity ) ) ) and ) ( to ( sustain ( cellular activity ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT Both) (NNS macromolecules)) (PRN (-LRB- -LRB-) (NP (JJ large) (NNS molecules)) (-RRB- -RRB-))) (VP (VBP are) (VP (VBN required) (PP (IN for) (NP (NP (NP (NN control)) (PP (IN of) (NP (JJ cellular) (NN activity)))) (CC and) (S (VP (TO to) (VP (VB sustain) (NP (JJ cellular) (NN activity))))))))) (. .)))
Both macromolecules (large molecules) are required for control of cellular activity and to sustain cellular activity.
(ROOT (S (NP (DT Any) (JJ large) (NN molecule)) (VP (VBZ is) (VP (VBN referred) (PP (TO to) (NP (RB as) (DT a) (NN macromolecule))))) (. .)))