( Enzymes ( ( are ( ( substances ( manufactured ( in ( plant ( and ( animal cells ) ) ) ) ) ) ( that ( ( ( speed up ) and ) ( help ( with ( reactions ( taking ( place ( in ( an organism ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Enzymes)) (VP (VBP are) (NP (NP (NNS substances)) (VP (VBN manufactured) (PP (IN in) (NP (NN plant) (CC and) (NN animal) (NNS cells)))) (SBAR (WHNP (WDT that)) (S (VP (VP (VB speed) (PRT (RP up))) (CC and) (VP (VB help) (PP (IN with) (NP (NP (NNS reactions)) (VP (VBG taking) (NP (NP (NN place)) (PP (IN in) (NP (DT an) (NN organism))))))))))))) (. .)))
Enzymes are substances manufactured in plant and animal cells that speed up and help with reactions taking place in an organism.
(ROOT (S (NP (JJ Biochemical) (NNS reactions)) (VP (VBP take) (NP (NP (NN place)) (PP (IN inside) (NP (NP (DT the) (NNS organisms) (POS ')) (NNS cells))))) (. .)))