( ( ( This process ) ( of ( exocytosis ( at ( ( the front ) ( of ( ( ( the cell ) and ) endocytosis ) ) ) ) ) ) ) ( elsewhere ( ( has ( been ( modified ( by Bretscher ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT This) (NN process)) (PP (IN of) (NP (NP (NNS exocytosis)) (PP (IN at) (NP (NP (DT the) (NN front)) (PP (IN of) (NP (NP (DT the) (NN cell)) (CC and) (NP (NNS endocytosis))))))))) (ADVP (RB elsewhere)) (VP (VBZ has) (VP (VBN been) (VP (VBN modified) (PP (IN by) (NP (NNP Bretscher)))))) (. .)))
This process of exocytosis at the front of the cell and endocytosis elsewhere has been modified by Bretscher.
(ROOT (S (NP (NP (DT The) (JJ reverse) (NN process)) (PP (IN of) (S (VP (VBG moving) (NP (NN material)) (PP (IN into) (NP (DT a) (NN cell))))))) (VP (VBZ is) (NP (NP (DT the) (NN process)) (PP (IN of) (NP (NNS exocytosis))))) (. .)))