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ZoologyNEET 2022DNA structure and replication

Molecular Basis of Inheritance

Ten E. coli cells with N-dsDNA are incubated in a medium containing N nucleotides. After 60 minutes, how many E. coli cells will have DNA totally free from N?

  1. A.80 cells
  2. B.20 cells
  3. C.40 cells
  4. D.60 cells

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