- Griffith’s experiment, Hershey and Chase’s experiment, Avery, McLeod and McCarty’s experiment
- Transforming Principle
- Biochemical Characterisation of Transforming Principle
Shaalaa.com | Griffith Experiment
Describe the Hershey and Chase experiment. Write the conclusion drawn by the scientists after their experiment.
Answer the following questions based on Hershey and Chases's experiments:
(a) Name the kind of virus they worked with and why?
(b) Why did they use two types of culture media to grow viruses in ? Explain.
(c) What was the need for using a blender and later a centrifuge during their experiments?
(d) State the conclusion drawn by them after the experiments.
(a) Why did Hershey and Chase use radioactive 32P and 35S in their experiments? Explain.
(b) Following the experiments conducted by them, write what conclusion did they arrive at and how ?
How did Hershey and Chase differentiate between DNA and protein in their experiment while proving that DNA is the genetic material?
Explain how the biochemical characterisation (nature) of 'Transforming Principle' was determined, which was not defined from Griffth's experiments.
How has the use of Agrobacterium as vectors helped in controlling Meloidegyne incognitia infestation in tobacco plants? Explain in correct sequence.