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Que. The archaebacterium Halobacterium, an extreme halophile, and Sulfolobus, a thermoacidophile, can be cultured in the presence of antibiotics such as streptomycin and chloramphenicol because
a. they contain ether-linked isoprenoids in their plasma membrane
b. they lack murein in their cell wall
c. they contain 80S, as opposed to 70S, ribosomes
d. all of the above
Correct Answer:they lack murein in their cell wall
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