Define transformation in Griffith's experiment. Discuss how it helps in the identification of Dna as the genetic material.

Describe the Griffith's experiment for the identification of genetic material.

DNA is a genetic material. Justify.

Describe the experimanet in brief which proves that DNA is the genetic material.

How is a key helpful in the identification and classification of an organism?

Explain how did A. D. Hershey and M. J. Chase differentiate DNA and proteins in their experiment while proving that DNA is the genetic meterial?

Recall the experiments done by Frederick Griffith, Avery, MacLeod and McCarty, where DNA was speculated to be the genetic material. If RNA, instead of DNA was the genetic material, would the heat killed strain of Pneumococcus have transformed the R- strain into virulent strain? Explain

During the course of evolution why DNA was chosen over RNA as genetic material? Givereasons by first discussing thedesired criteriain a molecule that can act as genetic material and in the light of biochemical differences between DNA andRNA.

Discuss magnetisation of a ferromagnetic material with help of Rowland ring .

________ proved that except viruses, all living organisms have DNA as their genetic material.

In which cells of animals the foreign DNA is introduced so that every cell of the animal contains the same modified genetic material ?