Ultraviolet radiation at the bactericidal wavelength destroys bacteria by
A) destroying endospores.
B) damaging nucleic acid.
C) preventing spore formation.
D) denaturing proteins.
E) disrupting ribosomes.

Question

Quizplus · Accepted Answer

Ultraviolet radiation at the bactericidal wavelength damages nucleic acid, specifically DNA. This damage can prevent the cell from reproducing, ultimately leading to cell death. It does not directly affect endospores, spore formation, proteins, or ribosomes.

Ultraviolet Radiation at the Bactericidal Wavelength Destroys Bacteria by