( ( In addition ) ( , ( ( prokaryotic cells ) ( ( lack ( ( ( other ( membrane-bounded organelles ) ) , ) ( such ( as mitochondria ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN addition))) (, ,) (NP (JJ prokaryotic) (NNS cells)) (VP (VBP lack) (NP (NP (JJ other) (JJ membrane-bounded) (NNS organelles)) (, ,) (PP (JJ such) (IN as) (NP (NN mitochondria))))) (. .)))
In addition, prokaryotic cells lack other membrane-bounded organelles, such as mitochondria.
(ROOT (S (NP (NP (JJ Prokaryotic) (NNS cells) (POS ')) (NNS organelles)) (ADVP (RB because) (RB not)) (VP (VBD membrane-bound)) (. .)))