KCET 2021 Biology Solved Paper

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Question : 34 of 60

Marks: +1, -0

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

Same density and resemble with their parent DNA
Same density but do not resemble with their parent DNA
Different density but do not resemble with their parent DNA
Different density but resemble with their parent DNA

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