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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Definitions:

Early Viral Exposure

Encounter with a virus at an early age, which could influence immune system development and potentially affect health outcomes later in life.

Influenza

A highly contagious viral infection that attacks the respiratory system, commonly known as the flu.

Antibodies

Bodily chemicals that seek out and destroy foreign invaders such as bacteria or viruses.

Brain Circuits

Networks of interconnected neurons in the brain that are responsible for processing specific types of information and coordinating behaviors.