<prompt> The following statements are true with references to Mycoplasma except:They are the smallest prokaryotic organisms that can grow in cell free culture mediaThey are obligate intracellular organismsThey lack a cell wallThey are resistant to Beta-lactam drugs  <response>: Ans. is b i.e., They are obligate intracellular organisms.Ref: Harrison, 19the, p. 1163; Ananthanarayan, 9the, p. 386Obligate intracellular bacteria are: M leprae, Chlamydia, Rickettsiae, Coxiella burnetti, Pathogenic treponemes so cannot grow on artificial cell free culture media. Mycoplasma grows on artificial cell free culture media. 