( ( Prokaryotic cells ) ( ( reproduce ( by ( ( a process ) ( that ( is ( called ( binary fission ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Prokaryotic) (NNS cells)) (VP (VBZ reproduce) (PP (IN by) (NP (NP (DT a) (NN process)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN called) (S (ADJP (RB binary) (JJ fission)))))))))) (. .)))
Prokaryotic cells reproduce by a process that is called binary fission.
(ROOT (S (NP (NP (NNP Reproduction)) (PP (IN in) (NP (JJ prokaryotic) (NNS cells)))) (VP (VBZ is) (PP (IN by) (NP (JJ binary) (NN fission) (, ,) (NN enlargement) (CC and) (NN division)))) (. .)))