Elexis8591
02.11.2020 •
Biology
When DNA was synthesized using nucleotides marked with 100% 15N isotope, the entire double strand of DNA contained nitrogen with 15N. When this DNA was cultured with a supply of nucleotides composed of nitrogen that was 100% 14N, as the DNA underwent replication, the daughter DNA was composed of 50% 14N and 50% 15N. What happened next when replication of the 50-50 daughter DNA was cultured with a supply of 100% 14N nucleotides, in terms of the composition of the next generation of DNA? Choose all that apply.
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