The killing of cells by UV irradiation involves
A. absorption at 260 nm by proteins only.
B. absorption at 260 nm by RNA only.
C. formation of pyrimidine dimers.
D. formation of purine dimers.
Answer:C
The killing of cells by UV irradiation involves
A. absorption at 260 nm by proteins only. B. absorption at 260 nm by RNA only. C. formation of pyrimidine dimers. D. formation of purine dimers.