( ( ( The movement ) ( of ( ( ( the ion ) ( -LRB- ( s -RRB- ) ) ) ( across ( the membrane ) ) ) ) ) ( ( ( ( ( is ( facilitated diffusion ) ) , ) and ) ( is ( coupled ( with ( ( the ( active transport ) ) ( of ( ( the molecule ) ( -LRB- ( s -RRB- ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN movement)) (PP (IN of) (NP (NP (NP (DT the) (NN ion)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (PP (IN across) (NP (DT the) (NN membrane)))))) (VP (VP (VBZ is) (VP (VBN facilitated) (NP (NN diffusion)))) (, ,) (CC and) (VP (VBZ is) (VP (VBN coupled) (PP (IN with) (NP (NP (DT the) (JJ active) (NN transport)) (PP (IN of) (NP (NP (DT the) (NN molecule)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))))))))) (. .)))
The movement of the ion(s) across the membrane is facilitated diffusion, and is coupled with the active transport of the molecule(s).
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT the) (NN movement)) (PP (IN of) (NP (NP (NNS molecules)) (PP (IN across) (NP (DT a) (ADJP (JJ membrane) (PP (IN without) (NP (NP (DT the) (NN input)) (PP (IN of) (NP (NN energy)))))) (JJ passive) (NN transport))))))) (. .)))