( ( List structures ) ( ( found ( ( ( ( in ( animal cells ) ) and ) not ) ( in ( plant cells ) ) ) ) . ) )
(ROOT (S (NP (NN List) (NNS structures)) (VP (VBD found) (PP (PP (IN in) (NP (NN animal) (NNS cells))) (CC and) (RB not) (PP (IN in) (NP (NN plant) (NNS cells))))) (. .)))
List structures found in animal cells and not in plant cells.
(ROOT (S (NP (DT A) (NN cell) (NN wall)) (VP (VBZ is) (RB not) (ADJP (JJ present) (PP (IN in) (NP (NN animal) (NNS cells))))) (. .)))