( See ( ( ( Absorption ( -LRB- ( biology -RRB- ) ) ) , ) ( Cell membranes ) ) )
(ROOT (S (VP (VB See) (NP (NP (NP (NNP Absorption)) (PRN (-LRB- -LRB-) (NP (NN biology)) (-RRB- -RRB-))) (, ,) (NP (JJ Cell) (NNS membranes))))))
See Absorption (biology) , Cell membranes
(ROOT (S (NP (JJ Biological) (NNS membranes)) (VP (VP (VBP surround) (NP (NNS cells))) (CC and) (VP (VBP serve) (S (VP (TO to) (VP (VB keep) (NP (NP (DT the) (NNS insides)) (VP (VBN separated) (PP (IN from) (NP (DT the) (NNS outsides)))))))))) (. .)))