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Question
Which of the following was used by Hershey and Chase to prove that DNA is the chemical basis of heredity?
Which of the following was used by Hershey and Chase to prove that DNA is the chemical basis of heredity?
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Solution
The correct option is D T2 bacteriophage
Alfred Hershey and Martha Chase conducted experiments on T2 bacteriophage that attacks the common bacterium Escherichia coli. Hershey and Chase labelled the DNA and protein components of the phage separately with specific radioactive tracers and then followed these components through the life cycle of the phage. The presence of the radioactivity in the DNA of the newly synthesised virus particles was studied to known the chemical basis of heredity.Thus, the correct answer is option D.
Alfred Hershey and Martha Chase conducted experiments on T2 bacteriophage that attacks the common bacterium Escherichia coli. Hershey and Chase labelled the DNA and protein components of the phage separately with specific radioactive tracers and then followed these components through the life cycle of the phage. The presence of the radioactivity in the DNA of the newly synthesised virus particles was studied to known the chemical basis of heredity.
Thus, the correct answer is option D.
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