( Potocytosis ( ( is ( ( ( a type ) ( of ( receptor-mediated endocytosis ) ) ) ( ( in which ) ( ( small molecules ) ( are ( transported ( across ( ( the ( plasma membrane ) ) ( of ( a cell ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Potocytosis)) (VP (VBZ is) (NP (NP (DT a) (NN type)) (PP (IN of) (NP (JJ receptor-mediated) (NNS endocytosis))) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (JJ small) (NNS molecules)) (VP (VBP are) (VP (VBN transported) (PP (IN across) (NP (NP (DT the) (NN plasma) (NN membrane)) (PP (IN of) (NP (DT a) (NN cell))))))))))) (. .)))
Potocytosis is a type of receptor-mediated endocytosis in which small molecules are transported across the plasma membrane of a cell.
(ROOT (S (NP (NNP Passive) (NN transport)) (VP (VBZ occurs) (SBAR (WHADVP (WRB when)) (S (NP (NNS substances)) (VP (VBP cross) (NP (DT the) (NN plasma) (NN membrane)) (PP (IN without) (NP (NP (DT any) (NN input)) (PP (IN of) (NP (NN energy))))) (PP (IN from) (NP (DT the) (NN cell))))))) (. .)))