( ( ( ( prokaryotic cell ) ( -LRB- ( pro-KAR-ee-OT-ik -RRB- ) ) ) ( ( ( A type ) ( of cell ) ) ( lacking ( ( ( a ( membrane-enclosed nucleus ) ) and ) ( membrane-enclosed organelles ) ) ) ) ) ; )
(ROOT (NP (NP (JJ prokaryotic) (NN cell)) (PRN (-LRB- -LRB-) (S (VP (VB pro-KAR-ee-OT-ik))) (-RRB- -RRB-)) (SBAR (WHNP (NP (DT A) (NN type)) (PP (IN of) (NP (NN cell)))) (S (VP (VBG lacking) (NP (NP (DT a) (JJ membrane-enclosed) (NN nucleus)) (CC and) (NP (JJ membrane-enclosed) (NNS organelles)))))) (: ;)))
prokaryotic cell (pro-KAR-ee-OT-ik) A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles;
(ROOT (S (NP (NP (DT All) (NNS types)) (PP (IN of) (NP (NNS cells)))) (VP (VBP are) (VP (VBN enclosed) (PP (IN by) (NP (DT a) (NN membrane))))) (. .)))
All types of cells are enclosed by a membrane.