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The results of the Avery–MacLeod–McCarty experiment, published in 1944, suggested that DNA was the genetic material, but there was still some hesitation within the general scientific community to accept this, which set the stage for the Hershey–Chase experiment. [4] Hershey and Chase, along with others who had done related experiments ...
Martha Cowles Chase (November 30, 1927 – August 8, 2003), also known as Martha C. Epstein, [1] was an American geneticist who in 1952, with Alfred Hershey, experimentally helped to confirm that DNA rather than protein is the genetic material of life.
The Hershey–Chase experiments were conducted by Alfred Hershey and Martha Chase in 1952 using the T2 bacteriophage (pictured), which is composed of DNA wrapped in a protein shell. Hershey and Chase labelled either the phage DNA using radioactive phosphorus-32 or the protein using radioactive sulphur-35.
Experiments conducted in 1952 by Alfred Hershey and Martha Chase demonstrated how the DNA of viruses is injected into the bacterial cells, while most of the viral proteins remain outside. [1] [2] The injected DNA molecules cause the bacterial cells to produce more viral DNA and proteins. These discoveries supported that DNA, rather than ...
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Hershey was born in Owosso, Michigan to Robert Day and Alma Wilbur Hershey. He earned a B.S. in chemistry in 1930, and Ph.D. in bacteriology in 1934 from Michigan State University. Shortly after, Hershey accepted a faculty position at Washington University in St. Louis, [1] [2] serving as an instructor of bacteriology and immunology from 1934 ...
She received the 1952 Theatre World Award for her role in The Chase (1952), and starred in the Broadway productions of Picnic (1953) and Bus Stop (1955). Stanley was nominated for the Tony Award for Best Actress in a Play for her roles in A Touch of the Poet (1959) and A Far Country (1962).
The union produced two children, Gearhardt III (born July 21, 1951) and Suzanne Ilene (born November 21, 1952). [12] [51] In 1953, Powell began an affair with Gene Nelson, her married co-star in Three Sailors and a Girl. Powell and Nelson planned to marry after divorcing their spouses, but after divorcing his wife, Nelson backed out of marrying ...