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Questions  

Identify the correct sequence of steps of Hershey and Chase experiment.

a
Centrifugation→ Infection→ Blending
b
Infection→ Blending →Centrifugation
c
Blending→ Infection → Centrifugation
d
Infection → Centrifugation → Blending

detailed solution

Correct option is B

Radioactive phages were allowed to attach (infect) to E. coli bacteria. Then, as the infection proceeded, the viral coats were removed from the bacteria by agitating them in a blender. The virus particles were separated from the bacteria by spinning them in a centrifuge.

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Viruses of bacteria grown in the presence of radioactive phosphorus contained:


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