( Others ( ( act ( as ( pumps ( that ( use ( ENERGY ( to ( ( pull molecules ) ( across ( ( ( the membrane ) , ) ( ( a process ) ( called ( as ( ACTIVE TRANSPORT ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Others)) (VP (VBP act) (PP (IN as) (NP (NP (NNS pumps)) (SBAR (WHNP (WDT that)) (S (VP (VBP use) (S (NP (NNP ENERGY)) (VP (TO to) (VP (VB pull) (NP (NNS molecules)) (PP (IN across) (NP (NP (DT the) (NN membrane)) (, ,) (NP (NP (DT a) (NN process)) (VP (VBN called) (PP (IN as) (NP (NNP ACTIVE) (NNP TRANSPORT)))))))))))))))) (. .)))
Others act as pumps that use ENERGY to pull molecules across the membrane, a process called as ACTIVE TRANSPORT .
(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))))))) (. .)))