What are the conclusion(s) of the Hershey and Chase experiment?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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  1. What are the conclusion(s) of the Hershey and Chase experiment?

 

 

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Hershey and Chase Experiment -

Hershey and Chase Experiment is also called as Blenders Experiment

This experiment was done to identify the hereditary material between protein and DNA.

I case = Take Protein as hereditary material

Steps:

  1. Radioactively labelled Sulphur is incorporated into the protein coat of Bacteriophage T2.
  2. Bacteriophage T2 infected on bacterial cells.
  3. Centrifugation is done.
  4. Empty phage heads and capsids are light in weight. So, these things float on water along with radioactively labelled Sulphur protein coat.
  5. bacteria cell contents form the pellets at the bottom.

 

I case = Take DNA as hereditary material

Steps:

  1. Radioactively labelled Phosphorus is incorporated into the DNA of Bacteriophage T2.
  2. Bacteriophage T2 infected on bacterial cells.
  3. Centrifugation is done.
  4. Empty phage heads and capsids are light in weight. So, these things float on water.
  5. bacteria cell contents along with the radioactively labelled phosphorus DNA form the pellets at the bottom.
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