( Enzymes ( ( are ( proteins ( ( ( produced ( by ( living cells ) ) ) and ) ( can ( act ( as ( catalysts ( in ( biochemical processes ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Enzymes)) (VP (VBP are) (NP (NP (NNS proteins)) (VP (VP (VBN produced) (PP (IN by) (NP (VBG living) (NNS cells)))) (CC and) (VP (MD can) (VP (VB act) (PP (IN as) (NP (NP (NNS catalysts)) (PP (IN in) (NP (JJ biochemical) (NNS processes)))))))))) (. .)))
Enzymes are proteins produced by living cells and can act as catalysts in biochemical processes.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (NNS catalysts)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (VP (VBN found) (ADVP (RB inside)) (PP (IN of) (S (VP (VBG living) (NP (NNS things) (NNS enzymes))))))))))) (. .)))