If E.coli containing N15-N15 DNA was allowed to grow for 80 minutes in medium containing N14 then, what would be the percentage of light density and hybrid density DNA molecule ?

Question

If E.coli containing N15-N15 DNA was allowed to grow for 80 minutes in medium containing N14 then, what would be the percentage of light density and hybrid density DNA molecule ? (A) 87.5% light density ; 12.5% hybrid density (B) 75% light density ; 25% hybrid density (C) 25% light density ; 75% hybrid density (D) 12.5% light density ; 87.5% hybrid density

Tardigrade Admin · Accepted Answer

Correct answer is (a) 87.5% light density ; 12.5% hybrid density

Q. If E.coli containing N15−N15 DNA was allowed to grow for 80 minutes in medium containing N14 then, what would be the percentage of light density and hybrid density DNA molecule ?

87.5% light density ; 12.5% hybrid density

75% light density ; 25% hybrid density

25% light density ; 75% hybrid density

12.5% light density ; 87.5% hybrid density

Correct answer is (a) 87.5% light density ; 12.5% hybrid density

Q. If E.coli containing $N^{15} - N^{15}$ DNA was allowed to grow for 80 minutes in medium containing $N^{14}$ then, what would be the percentage of light density and hybrid density DNA molecule ?