1.

Read the following paragraph and answer the following question.
Hershey-Chase experiment broke the barriers of science and expanded the understanding of life. In this experiment, two sets of bacteriophages are used in which one contains radioactive sulphur in its protein coat (Set-I) and other contains radioactive phosphorus in its DNA (Set-II). These two sets were allowed reproduce in E.Coli culture and then centrifuged.

A. nWhich among the following are correct Set-I and Set-II after centrifugation?
B. Set-I and Set-II contains radioactive sulphur and phosphorous in their supernatant respectively
C. Set-I and Set-II contains radioactive sulphur in their supernatant
D. Set-I contains radioactive sulphur in its pellet and set-II contains radioactive phosphorous in its supernatant
E. Set-I and Set-II contains radioactive sulphur and phosphorous in their pellet respectively
Answer» D. Set-I contains radioactive sulphur in its pellet and set-II contains radioactive phosphorous in its supernatant


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