( ( MEMBRANE ( TRANSPORT ( ( ( The movement ) ( of ( molecules ( which ( are ( unable ( to ( ( cross ( the ( plasma membrane ) ) ) ( by diffusion ) ) ) ) ) ) ) ) ) ( is ( dependent ( on ( membrane ( transport proteins ) ) ) ) ) ) ) ) ( , ( ( ( each type ) ( of membrane ) ) ( ( has ( its ( own ( characteristic proteins ) ) ) ) . ) ) ) )
(ROOT (S (S (NP (NNP MEMBRANE)) (VP (VBP TRANSPORT) (SBAR (S (NP (NP (DT The) (NN movement)) (PP (IN of) (NP (NP (NNS molecules)) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (ADJP (JJ unable) (S (VP (TO to) (VP (VB cross) (NP (DT the) (NN plasma) (NN membrane)) (PP (IN by) (NP (NN diffusion))))))))))))) (VP (VBZ is) (ADJP (JJ dependent) (PP (IN on) (NP (JJ membrane) (NN transport) (NNS proteins))))))))) (, ,) (NP (NP (DT each) (NN type)) (PP (IN of) (NP (NNP membrane)))) (VP (VBZ has) (NP (PRP$ its) (JJ own) (JJ characteristic) (NNS proteins))) (. .)))
MEMBRANE TRANSPORT The movement of molecules which are unable to cross the plasma membrane by diffusion is dependent on membrane transport proteins, each type of membrane has its own characteristic proteins.
(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))))))) (. .)))