Figure 20.1 -In Figure 20.1,why Is Tetracycline Selectively Toxic Against Bacteria

question 47

Multiple Choice

Figure 20.1

-In Figure 20.1,why is tetracycline selectively toxic against bacteria?

• A)Eukaryotic cells will enzymatically destroy the drug.
• B)Eukaryotic cells will actively pump the drug out of their interiors.
• C)The drug affects peptidoglycan synthesis,and eukaryotic cells have no peptidoglycan.
• D)The drug binds to the 30S small ribosomal subunit - eukaryotes have a 40S small subunit.
• E)Eukaryotes lack a small ribosomal subunit,so the drug cannot negatively affect them.

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Definitions:

Trophic Molecule

Trophic molecules are substances, often proteins, that support the growth, development, or function of cells and tissues.

Nerve Growth Factor

A protein essential for the growth, maintenance, and survival of certain neurons, playing a key role in neurodevelopment and regeneration.

Inferior Frontal Gyrus

A region in the frontal lobe of the brain associated with language processing and speech production.

Superior Temporal Gyrus

A region of the brain's temporal lobe involved in processing sounds, language, and speech perception.