( ( All enzymes ) ( ( ( ( ( are proteins ) , ) and ) ( consist ( of ( ( long chains ) ( of ( amino acids ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT All) (NNS enzymes)) (VP (VP (VBP are) (NP (NNS proteins))) (, ,) (CC and) (VP (VBP consist) (PP (IN of) (NP (NP (JJ long) (NNS chains)) (PP (IN of) (NP (JJ amino) (NNS acids))))))) (. .)))
All enzymes are proteins, and consist of long chains of amino acids.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN protein)) (VP (VBZ is) (VP (VBN formed) (SBAR (WHADVP (WRB when)) (S (NP (JJ amino) (NNS acids)) (VP (VBP are) (VP (VBN linked) (ADVP (RB together)) (PP (IN in) (NP (DT a) (JJ long) (NN chain))))))))) (. .)))