Which of the following are a Bacteria taxonomically?: (A) Chlamydia, (B) Rickettsia, (C) Mycoplasma, (D) Prion
Answer is A. Chlamydiae are obligate intracellular bacteria belonging to genus Chlamydia, in family Chlamydiaceae, under order Chlamydiales Ref: Textbook of Microbiology; Ananthanarayan and Paniker; 9th edition; Pg no: 415