( ( ( ( ( ( ( These types ) ( of organisms ) ) ( are ( called prokaryotes ) ) ) , ) and ) ( ( ( the type ) ( of cell ) ) ( they ( have ( is ( called ( a ( prokaryotic cell ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT These) (NNS types)) (PP (IN of) (NP (NNS organisms)))) (VP (VBP are) (VP (VBN called) (NP (NNS prokaryotes))))) (, ,) (CC and) (S (NP (NP (DT the) (NN type)) (PP (IN of) (NP (NN cell)))) (NP (PRP they)) (VP (VBP have) (VP (VBZ is) (VP (VBN called) (NP (DT a) (JJ prokaryotic) (NN cell)))))) (. .)))
These types of organisms are called prokaryotes, and the type of cell they have is called a prokaryotic cell.
(ROOT (S (NP (DT A) (JJ single-celled) (NN prokaryotic)) (VP (VBZ is) (NP (DT a) (NNS bacteria))) (. .)))