( ( Your ( cell membrane ) ) ( ( has ( ( specific proteins ) ( that ( ( transport glucose ) ( into ( ( each cell ) ( while ( not ( expending ( any energy ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Your) (NN cell) (NN membrane)) (VP (VBZ has) (NP (NP (JJ specific) (NNS proteins)) (SBAR (WHNP (WDT that)) (S (VP (VB transport) (NP (NN glucose)) (PP (IN into) (NP (NP (DT each) (NN cell)) (SBAR (IN while) (S (RB not) (VP (VBG expending) (NP (DT any) (NN energy)))))))))))) (. .)))
Your cell membrane has specific proteins that transport glucose into each cell while not expending any energy.
(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))))))) (. .)))