( ( ( ( ( ( ( ( ( ( The ( pathogenic action ) ) ( of ( infectious agents ) ) ) , ) ( ( the transduction ) ( of energy ) ) ) , ) ( ( the ( ( ( active and ) passive ) transport ) ) ( of ( ( ions and ) molecules ) ) ) ) , ) and ) ( ( the transmission ) ( of ( ( biochemical signals ) ( ( ( into and ) out ) ( of ( ( cells and ) organelles ) ) ) ) ) ) ) ( ( are ( some ( of ( ( the ( biological processes ) ) ( mediated ( by ( membrane proteins ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (JJ pathogenic) (NN action)) (PP (IN of) (NP (JJ infectious) (NNS agents)))) (, ,) (NP (NP (DT the) (NN transduction)) (PP (IN of) (NP (NN energy)))) (, ,) (NP (NP (DT the) (ADJP (JJ active) (CC and) (JJ passive)) (NN transport)) (PP (IN of) (NP (NNS ions) (CC and) (NNS molecules)))) (, ,) (CC and) (NP (NP (DT the) (NN transmission)) (PP (IN of) (NP (NP (JJ biochemical) (NNS signals)) (PP (PP (IN into)) (CC and) (RB out) (PP (IN of) (NP (NNS cells) (CC and) (NNS organelles)))))))) (VP (VBP are) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (JJ biological) (NNS processes)) (VP (VBN mediated) (PP (IN by) (NP (JJ membrane) (NNS proteins)))))))) (. .)))
The pathogenic action of infectious agents, the transduction of energy, the active and passive transport of ions and molecules, and the transmission of biochemical signals into and out of cells and organelles are some of the biological processes mediated by membrane proteins.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NNS substances)) (VP (VBP pass) (PP (IN through) (NP (DT the) (NN cell) (NN membrane))) (PP (IN without) (S (VP (VBG needing) (NP (DT any) (NN energy)))))))) (, ,) (NP (PRP it)) (VP (VBZ is) (VP (VBN called) (NP (JJ passive) (NN transport)))) (. .)))