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Question
In radioactive phages P32 gets incorporated in ______.
Options
protein coat
DNA
both protein coat and DNA
rhizoid fibres
MCQ
Fill in the Blanks
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Solution
In radioactive phages P32 gets incorporated in DNA.
Explanation:
Phosphorus is present in DNA, so radioactive P32 labels the phage DNA. The protein coat is labelled with radioactive sulphur, not phosphorus.
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