Question

score: 20/600
in prokaryotic cells, streptomycin:
does not affect protein synthesis.
disrupts protein synthesis.
disrupts the cell wall.
disrupts membrane proteins.
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Explanation:

Streptomycin is an antibiotic that targets prokaryotic ribosomes, specifically binding to the 30S subunit and interfering with the initiation and elongation steps of protein synthesis, thereby disrupting it. It does not primarily affect the cell wall (e.g., penicillins do this) or membrane proteins, and it clearly impacts protein synthesis rather than having no effect.

Answer:

B. disrupts protein synthesis.