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Question
Escherichia coli fully labelled with N15 is allowed to grow in N14 medium. The two strands of DNA molecule of the first generation bacteria have ______.
Options
different density and do not resemble parent DNA
different density but resemble parent DNA
same density and resemble parent DNA
same density but do not resemble parent DNA
MCQ
Fill in the Blanks
Solution
Escherichia coli fully labelled with N15 is allowed to grow in N14 medium. The two strands of DNA molecule of the first generation bacteria have different density but resemble parent DNA.
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