[Campbell Biologie Page 383] Campbell Biology 12th Edition
Levels 3-4: Applying/Analyzing 6. E. coli cells grown on ¹⁵N medium are transferred to ¹⁴N medium and allowed to grow for two more generations two rounds of DNA
Levels 3-4: Applying/Analyzing 6. E. coli cells grown on ¹⁵N medium are transferred to ¹⁴N medium and allowed to grow for two more generations two rounds of DNA