Which of the following statements are true of bacteria? (Read carefully and select all of the correct statements.)

A)Bacterial DNA is always in pairs of circular chromosomes.
B)The chemical structure of the cell wall of bacteria is the basis for the Gram stain.
C)A bacterial capsule inhibits phagocytosis by white blood cells.
D)Bacterial flagella permit attachment to a host cell.
E)Many bacterial toxins are enzymes the bacteria use to obtain food
F)A bacterial spore is a reproductive structure that produces four bacteria from one.
G)"Coccus" is to "sphere" as "bacillus" is to "square."
H)Anaerobic bacteria do not reproduce in the absence of oxygen.