Question

Answer the following questions based on Hershey and Chase's experiments:
(a) Name the kind of virus they worked with,
(b) Why did they use two types of culture media to grow viruses in!
(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.
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Answer 1

Answer:

A bacteriophage

B TO CHECK THE ACTUAL GENETIC MATERIAL

C Blender was used to separate viral protein coats that – were still attached to the surface of bacteria. Centrifuge was used to separate lighter supernatent containing viral protein coats from denser residue containing bacteria.

D THE CONCLUSION WAS THAT DNA WAS FINALLY THE GENTIC MATERIAL

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