Question

E. Coli fully labelled with ${}^{15}N$ is allowed to grow in ${}^{14}N$ medium. The two strands of DNA molecule of the first generation bacteria have

• A. Same density and resemble with their parent DNA
• B. Same density but do not resemble with their parent DNA
• C. Different density but do not resemble with their parent DNA
• D. Different density but resemble with their parent DNA

Answer 1

Answer: (C)

Correct answer is (c) Different density but do not resemble with their parent DNA