( Normally ( , ( ( ( tau 's ) job ) ( ( is ( to ( both ( ( ( ( ( assemble and ) maintain ) ( ( ( ( the ( cell 's ) ) ( scaffolding apparatus ) ) ( -LRB- ( ( ( groups ( of proteins ) ) ( called microtubules ) ) -RRB- ) ) ) ( that ( ( stretch ( from ( ( one end ) ( of ( a ( nerve cell ) ) ) ) ) ) ( to another ) ) ) ) ) and ) ( ferry ( ( nutrients and ) ( structural components ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Normally)) (, ,) (NP (NP (NNP tau) (POS 's)) (NN job)) (VP (VBZ is) (S (VP (TO to) (VP (DT both) (VP (VB assemble) (CC and) (VB maintain) (NP (NP (NP (NP (DT the) (NN cell) (POS 's)) (JJ scaffolding) (NN apparatus)) (PRN (-LRB- -LRB-) (NP (NP (NNS groups)) (PP (IN of) (NP (NNS proteins))) (VP (VBN called) (NP (NNS microtubules)))) (-RRB- -RRB-))) (SBAR (WHNP (WDT that)) (S (VP (VBP stretch) (PP (IN from) (NP (NP (CD one) (NN end)) (PP (IN of) (NP (DT a) (NN nerve) (NN cell))))) (PP (TO to) (NP (DT another)))))))) (CC and) (VP (VB ferry) (NP (NP (NNS nutrients)) (CC and) (NP (JJ structural) (NNS components)))))))) (. .)))
Normally, tau's job is to both assemble and maintain the cell's scaffolding apparatus (groups of proteins called microtubules) that stretch from one end of a nerve cell to another and ferry nutrients and structural components.
(ROOT (S (NP (NNPS Proteins)) (VP (VBP travel) (PP (TO to) (NP (DT the) (JJ golgi) (NN apparatus))) (S (VP (TO to) (VP (VB be) (VP (VBN modified) (PP (IN for) (NP (NP (DT the) (JJ specific) (NN job)) (SBAR (S (NP (PRP they)) (VP (MD will) (VP (VB do)))))))))))) (. .)))