Joke Collection Website - Mood Talk - A question about high school biology!

A question about high school biology!

The elements in DNA are carbon, hydrogen, oxygen, nitrogen and phosphorus.

Bacteria with 32P-labeled DNA were infected with 32S-labeled E.coli T2 phage. After four replications, the phage contained 35S, accounting for 0% because DNA did not contain S, and P in the replicated DNA contained 32P, accounting for 100%.