( ( ( membrane systems ) ( of ( eukaryotic cells ) ) ) ; )
(ROOT (NP (NP (JJ membrane) (NNS systems)) (PP (IN of) (NP (JJ eukaryotic) (NNS cells))) (: ;)))
membrane systems of eukaryotic cells;
(ROOT (S (NP (JJ Eukaryotic) (NNS cells)) (VP (VBP have) (NP (NP (JJ internal) (NNS membranes)) (SBAR (WHNP (WDT that)) (S (VP (VBP compartmentalize) (NP (PRP$ their) (NNS functions))))))) (. .)))