( ( ( ( Cytoskeleton and ) cell ) signaling ) . )
(ROOT (NP (NP (NN Cytoskeleton) (CC and) (NN cell)) (VP (VBG signaling)) (. .)))
Cytoskeleton and cell signaling.
(ROOT (S (NP (DT The) (NN cytoskeleton)) (VP (VBZ is) (NP (NP (DT the) (NN skeleton)) (PP (IN of) (NP (DT the) (NN cell))))) (. .)))