The Living World 8th Edition by George Johnson

تمرين 1

The Hershey-Chase experiment demonstrated that
A) virus DNA injected into bacterial cells is the factor involved in directing the production of new virus particles.
B) virus protein injected into bacterial cells is the factor involved in directing the production of new virus particles.
C) 32 P labeled protein is injected into bacterial cells by viruses.
D) the transforming principle is protein.
In the Hershey-Chase experiment, the _______ radioactive label entered the bacterial cells.
A) 14 C
B) 35 S
C) 32 P
D) heat-killed