Tuesday, 11 September 2007

Graphics Gallery - Experimental Demonstration that DNA is the Genetic Material

Graphics Gallery is a series of labeled diagrams with explanations representing the important processes of biotechnology. Each diagram is followed by a summary of information, providing a context for the process illustrated.

by the Access Excellence the National Health Museum Rescource Center

Avery, MacLeod, and McCarty demonstrate that DNA is the genetic material. These researchers prepared an extract from the disease-causing S strain and identified the "transforming principle" that would permanently change R-strain pneumococci into the lethal S strain as DNA. This was the first evidence that DNA could serve as the genetic material

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