Why do the proteins disappear over time?

This question is only for applicants to scholars for medicine or scholars for dental medicine: what aspects about medicine (or dental medicine) intrigue you? describe how these aspects influence your life. (100-650 words)

Which locations on the map are low-pressure areas? a b c d e

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?