( ( ( The membrane ) ( is ( made ( of ( ( ( a ( ( ( two molecule ) thick ) layer ) ) ( -LRB- ( bilayer -RRB- ) ) ) ( of phospholipids ) ) ) ) ) ) ( , ( ( an ( oily substance ) ) ( ( found ( in ( all cells ) ) ) . ) ) ) )
(ROOT (S (S (NP (DT The) (NN membrane)) (VP (VBZ is) (VP (VBN made) (PP (IN of) (NP (NP (DT a) (ADJP (NP (CD two) (NN molecule)) (JJ thick)) (NN layer)) (PRN (-LRB- -LRB-) (NP (NN bilayer)) (-RRB- -RRB-)) (PP (IN of) (NP (NNS phospholipids)))))))) (, ,) (NP (DT an) (JJ oily) (NN substance)) (VP (VBD found) (PP (IN in) (NP (DT all) (NNS cells)))) (. .)))
The membrane is made of a two molecule thick layer (bilayer) of phospholipids, an oily substance found in all cells.
(ROOT (S (NP (DT The) (NN cell) (NN membrane)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (JJ adjacent) (NNS layers)) (PP (IN of) (NP (NNS phospholipids)))))) (. .)))