( Protein ( ( is ( ( made up ) ( of ( ( ( long chains ) ( of ( amino acids ) ) ) ( that ( link ( with ( ( the ( carboxyl group ) ) ( in ( ( another chain ) ( of ( amino acids ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Protein)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (NP (JJ long) (NNS chains)) (PP (IN of) (NP (JJ amino) (NNS acids))) (SBAR (WHNP (WDT that)) (S (VP (VBP link) (PP (IN with) (NP (NP (DT the) (JJ carboxyl) (NN group)) (PP (IN in) (NP (NP (DT another) (NN chain)) (PP (IN of) (NP (JJ amino) (NNS acids)))))))))))))) (. .)))
Protein is made up of long chains of amino acids that link with the carboxyl group in another chain 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))))))))) (. .)))