Question: Escherichia coli is allowed to replicate once in medium having radioactive thymidine. Which one is correct? (A) Both strands of DNA become radioactive. (B) One

Escherichia coli is allowed to replicate once in medium having radioactive thymidine. Which one is correct?


(A) Both strands of DNA become radioactive.


(B) One strand becomes radioactive.


(C) Each strand is half radioactive.


(D) None is radioactive.

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