Answer the following questions based on Hershey and Chase.s experiments:
What was the need for using a blender and later a centrifuge during their experiments ?

Answer the following questions based on Hershey and Chase.s experiments: Name the kind of virus they worked with and why?

Answer the following questions based on Hershey and Chase experiments: State the conclusion drawn by them after the experiments.

Answer the following questions based on Hershey and Chase.s experiments: Why did they use two types of culture media to grow viruses in? Explain.

Hershey & Chase experiment was based on the principle:

Answer the following questions based on Meselson and Stahl s experiment: (a) Write the name of the chemical substance used as a source of nitrogen in the experiment by them. (b) Why did the scientists synthesise the light and the heavy DNA molecules In the organism used in the experiment ? (c) How did the scientists make it possible to distinguish the heavy DNA molecule from the light DNA molecule ? Explain. ((1) Write the conclusion the scientists arrived at after completing the experiment.

Which of the following isotopes were used in the Hershey-Chase experiments ?

Answer the following questions with reference to Millikan.s oil drop experiment: What is the use of an X-ray tube ?

Answer the following questions with reference to Millikan.s oil drop experiment: What is an atomiser ?

Explain Hershey-Chase experiment. What was proved through this experiment ?

Which organisms were used in Hershey-chase experiment?