Question 1
The classic Hershey and Chase (1952) experiment that offered evidence in support of DNA being the genetic material in bacteriophages made use of which of the following labeled component(s)?
◦ hydrogen
◦ phosphorus and sulfur
◦ nitrogen and oxygen
◦ tritium
◦ None of the answers listed is correct.
Question 2
In the classic experiment conducted by Hershey and Chase, why was the pellet radioactive in the centrifuge tube that contained bacteria with viruses?
◦ The radioactive viruses (coats plus DNA) were in the pellet.
◦ The radioactive protein coats of the viruses were in the pellet.
◦ The radioactive viruses were in the pellet, and the bacteria were in the supernatant.
◦ The bacteria were in the pellet, and they had incorporated radioactive proteins into their cell membranes.
◦ The bacteria were in the pellet, and many contained the radioactive viral DNA.
Elk pellet group
Hershey Chase Experiment
Sperry’s classic study of eye rotation and regeneration.
The inverse-square law and its effects. Doubling your distance away from a radioactive material ...
Radioactive waste
Types of Radioactive Decay