Why Do Tetracyclines Kill Bacteria but Not Eukaryotic Cells

question 42

Multiple Choice

Why do tetracyclines kill bacteria but not eukaryotic cells?

• A) Bacterial and eukaryotic ribosomes differ in their specific proteins and RNAs.
• B) Bacteria and eukaryotic tRNAs bind different amino acids.
• C) Tetracyclines cannot enter the nucleus of eukaryotic cells.
• D) Tetracyclines cannot enter the ER of eukaryotic cells.
• E) Tetracyclines are destroyed by enzymes found only in eukaryotes.

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Definitions:

Alleles

Forms of a gene with slightly different DNA sequences; may encode different versions of the gene’s product.

Homozygous

Describing an organism that has two identical alleles for a particular trait.

Heterozygous

A genetic condition where an individual has two different alleles at a gene locus.

Long-Haired

Characterized by having long fur or hair, often used to describe animals or humans with lengthy hair strands.