NEET 2022 Biology Paper

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Question : 91 of 100
 
Marks: +1, -0
Ten E.coli cells with ‌15N - dsDNA are incubated in medium containing ‌14N nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from ‌15N ?
[NEET-2022]
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