( ( ( Catalysts , ) ( ( ( enzymes and ) rates ) ( of reaction ) ) ) ; )
(ROOT (NP (NP (NNS Catalysts)) (, ,) (NP (NP (NNS enzymes) (CC and) (NNS rates)) (PP (IN of) (NP (NN reaction)))) (: ;)))
Catalysts, enzymes and rates of reaction;
(ROOT (S (NP (NNS Enzymes)) (VP (VP (VB speed) (PRT (RP up)) (NP (NP (DT the) (NN rate)) (PP (IN of) (NP (DT a) (JJ specific) (NN chemical) (NN reaction))))) (CC and) (VP (VBP are) (ADVP (RB therefore)) (VP (VBN known) (PP (IN as) (NP (JJ biochemical) (NNS catalysts)))))) (. .)))