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The fundamental discovery made by Hershey and Chase is that DNA is the hereditary material. They did this by using bacteriophage (bacteria viruses) infections to identify the genetic material.
What do you understand by the term viruses?
A virus is a microscopic, contagious organism that can only grow inside of living cells. Virus infections are possible in all living organisms, include plants, animals, and microorganisms like bacteria and archaea. A virus is an infectious microorganism made up of a protein-coated segment containing nucleic acid (either DNA or RNA). A virus can't multiply by itself; it has to infect cells in order to utilise the host cell's components to produce copies of itself.
Who first discovered virus and who is the father of virus?
In 1898, Beijerinck was the first person to refer to the cause of a tobacco mosaic as a "virus." He demonstrated that the instigator could travel within an agar gel, indicating it was a infectious soluble agent, called "contagium vivum fluidum," and categorically not a "contagium fixum," as would be the case with bacteria. As the father of virology, Martinus Beijerinck is frequently referred to. The laboratory of Beijerinck became a significant microbiology hub.
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