( Phospholipids ( ( ( make ( up much ) ) ( of ( ( the ( outer membranes ) ) ( of ( ( cells and ) organelles ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Phospholipids)) (VP (VBP make) (ADVP (RB up) (RB much)) (PP (IN of) (NP (NP (DT the) (JJ outer) (NNS membranes)) (PP (IN of) (NP (NNS cells) (CC and) (NNS organelles)))))) (. .)))
Phospholipids make up much of the outer membranes of cells and organelles.
(ROOT (S (NP (NNS Phospholipids)) (VP (VBP are) (NP (NP (DT the) (JJ main) (NN component)) (PP (IN of) (NP (DT the) (NN cell) (NN membrane))))) (. .)))