( ( ( The ( extracellular ( growth factors ) ) ) ( that ( ( stimulate ( cell ( growth bind ) ) ) ( to ( receptors ( on ( the cell ) ) ) ) ) ) ) ( ( ( ( surface and ) activate ) ( intracellular ( signaling pathways ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ extracellular) (NN growth) (NNS factors)) (SBAR (WHNP (WDT that)) (S (VP (VB stimulate) (NP (NN cell) (NN growth) (NN bind)) (PP (TO to) (NP (NP (NNS receptors)) (PP (IN on) (NP (DT the) (NN cell))))))))) (VP (VBP surface) (CC and) (VBP activate) (NP (NP (NN intracellular)) (VP (VBG signaling) (NP (NNS pathways))))) (. .)))
The extracellular growth factors that stimulate cell growth bind to receptors on the cell surface and activate intracellular signaling pathways.
(ROOT (S (NP (NNS Cells)) (VP (VBP secrete) (VP (VB factor) (NP (DT that) (NN bind)) (PP (TO to) (NP (NNS receptors))))) (. .)))