Compared with Eukaryotic Chromosomes,bacterial Chromosomes Are_______

Compared with eukaryotic chromosomes,bacterial chromosomes are_______ .

A) large,mainly organized in single- gene transcription units without introns
B) small,mainly organized in single- gene transcription units with introns
C) large,mainly organized in polygenic transcription units without introns
D) large,triple- helix,Z- DNA,organized in single gene units with introns
E) small,with high gene density