( Proteins ( ( are ( ( the nutrients ) ( needed ( for ( tissue ( ( growth and ) repair ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNPS Proteins)) (VP (VBP are) (NP (NP (DT the) (NNS nutrients)) (VP (VBN needed) (PP (IN for) (NP (NN tissue) (NN growth) (CC and) (NN repair)))))) (. .)))
Proteins are the nutrients needed for tissue growth and repair.
(ROOT (S (NP (NNP Protein)) (VP (VBZ is) (NP (NP (DT an) (JJ important) (NN part)) (PP (IN of) (NP (DT a) (JJ healthy) (NN diet)))) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ is) (VP (VBN needed) (S (VP (TO to) (VP (VB repair) (NP (NN tissue)))))))))) (. .)))