Molecular Basis of Inheritance: NEET 2022

Hard· DNA Replication (The Machinery and Enzymes for DNA Replication, Mechanism)· +4 / 0
Ten E.coli cells with 15N^{15}\mathrm{N}-dsDNA are incubated in a medium containing 14N^{14}\mathrm{N} nucleotide. After 60 minutes (3 generations, assuming a 20-minute generation time), how many E.coli cells will have DNA totally free from 15N^{15}\mathrm{N}?
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