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Microbiology Bacteria 90854384

The following statements are true with references to Mycoplasma except:

A
They are the smallest prokaryotic organisms that can grow in cell free culture media
B
They are obligate intracellular organisms
C
They lack a cell wall
D
They are resistant to Beta-lactam drugs
High-Yield Explanation
Ans. is 'b' i.e., They are obligate intracellular organisms.(Ref: Harrison, 19th/e, p. 1163; Ananthanarayan, 9th/e, p. 386)Obligate 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.

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