Bacteria Are Widely Diverse in Their Cell Structure, Metabolism, and Ecological

question 27

Multiple Choice

Bacteria are widely diverse in their cell structure, metabolism, and ecological adaptations, but share some major common traits. Which of the following statements is NOT true?

• A) They share common features in central apparatus for gene expression and translation.
• B) Bacterial gene expression mechanisms differ from those of the eukaryotes, which underlies the selective activity of many antibiotics.
• C) Some archaeal cell walls are composed of pseudopeptidoglycan and may have fundamentally different antibiotic sensitivity than bacteria.
• D) Mycoplasmas contain abnormal peptidoglycans and are thus not susceptible to antibiotics.
• E) In bacteria, variant forms of peptidoglycan distinguish different species.

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