In the Hershey and Chase experiment an isotope of _______ was used to label protein.
A) potassium
B) phosphorus
C) nitrogen
D) sulfur
E) sodium

Question

Quizplus · Accepted Answer

In the Hershey and Chase experiment, sulfur-35 (^35S) was used to label protein because sulfur is found in proteins (specifically in the amino acids cysteine and methionine) but not in DNA. This allowed them to distinguish between the protein and DNA components of viruses.

In the Hershey and Chase Experiment an Isotope of _______