( ( These ( membrane proteins ) ) ( ( can ( perform ( ( ( ( ( a ( wide diversity ) ) ( of ( ( functions , ) ( such ( as ( ( ( ( ( transporting ( ( ions and ) molecules ) ) ( across ( the ( red ( cell ( membrane ( , ( ( adhesion and ) interaction ) ) ) ) ) ) ) ) ( with ( ( other cells ) ( such ( as ( endothelial cells ) ) ) ) ) ) , ) ( as ( signaling receptors ) ) ) ) ) ) ) ) , ) ( as ( well as ) ) ) ( other ( ( currently unknown ) functions ) ) ) ) ) . ) )
(ROOT (S (NP (DT These) (JJ membrane) (NNS proteins)) (VP (MD can) (VP (VB perform) (NP (NP (NP (DT a) (JJ wide) (NN diversity)) (PP (IN of) (NP (NP (NNS functions)) (, ,) (PP (JJ such) (IN as) (S (VP (VBG transporting) (NP (NNS ions) (CC and) (NNS molecules)) (PP (IN across) (NP (DT the) (JJ red) (NN cell) (NN membrane) (, ,) (NN adhesion) (CC and) (NN interaction))) (PP (IN with) (NP (NP (JJ other) (NNS cells)) (PP (JJ such) (IN as) (NP (JJ endothelial) (NNS cells))))) (, ,) (PP (IN as) (S (VP (VBG signaling) (NP (NNS receptors))))))))))) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (JJ other) (ADJP (RB currently) (JJ unknown)) (NNS functions))))) (. .)))
These membrane proteins can perform a wide diversity of functions, such as transporting ions and molecules across the red cell membrane, adhesion and interaction with other cells such as endothelial cells, as signaling receptors, as well as other currently unknown functions.
(ROOT (S (NP (DT The) (NN term) (JJ passive) (NN transport)) (VP (VBZ describes) (NP (DT a) (NN way)) (SBAR (IN that) (S (NP (JJ small) (NNS molecules) (CC or) (NNS ions)) (VP (VBP move) (PP (IN across) (NP (NP (DT the) (NN cell)) (VP (VBN membrane) (PP (IN without) (NP (NP (NN input)) (PP (IN of) (NP (NN energy))))) (PP (IN by) (NP (DT the) (NN cell)))))))))) (. .)))