( This ( ( is ( found ( in ( ( the Nucleus ) ( of ( all cells ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (NP (DT the) (NNPS Nucleus)) (PP (IN of) (NP (DT all) (NNS cells))))))) (. .)))
This is found in the Nucleus of all cells.
(ROOT (S (NP (NP (DT The) (NNS cells)) (PP (IN of) (NP (DT all) (NNS protists)))) (VP (VBP have) (NP (DT a) (NN nucleus))) (. .)))