MCAT Question of the Day 94- Biology

When an enzyme that degrades DNA (DNAse) is incubated with intact DNA isolated fron1 an organism, the DNA is degraded. But when DNAse is injected into the cytoplasm of cells from the same organism, no effect on the genome is observed. Which one of the following is the best explanation for this?

Question posted with permission from The Princeton Review

 

By | 2017-08-15T06:45:35+00:00 October 28th, 2015|Biology, Eukaryotes, Princeton Review, Question of the Day|Comments Off on MCAT Question of the Day 94- Biology