Martha Cowles Chase & Alfred Day Hershey |
Blendor Photo: Courtesy of , Sue Lauter, Cold Spring Harbor to The Scientist Volume 18 | Issue 7 | 14 | Apr. 12, 2004 |
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Department of Genetics, Carnegie Institution of Washington at Cold Spring Harbor, Long Island, New York. | ||
Martha
Chase was Dr. Hershey's lab technician in 1952. They tagged
the protein coat of phages with 35S
and the DNA core with 32P.
Using a Waring blendor (photo)
causing the the bacteriophage viruses to break off from the
outside of bacteria with the tagged protein going to
supernatant and labeled DNA being lodged inside viral
sediment layer confirming that DNA was the genetic
information of cells. |
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