( ( Gap junctions ) ( ( are ( ( clusters ( of ( transmembrane channels ) ) ) ( that ( connect ( ( the cytoplasms ) ( of ( adjacent cells ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Gap) (NNS junctions)) (VP (VBP are) (NP (NP (NNS clusters)) (PP (IN of) (NP (JJ transmembrane) (NNS channels))) (SBAR (WHNP (WDT that)) (S (VP (VBP connect) (NP (NP (DT the) (NNS cytoplasms)) (PP (IN of) (NP (JJ adjacent) (NNS cells))))))))) (. .)))
Gap junctions are clusters of transmembrane channels that connect the cytoplasms of adjacent cells.
(ROOT (S (NP (NNP Plasmodesmata)) (VP (VBP connect) (PP (TO to) (NP (NP (NNS cytoplasms)) (PP (IN in) (NP (DT the) (NN plant) (NN cell)))))) (. .)))