Question

Escherichia coli fully Labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of first generation bacteria have?
A.) different density and do not resemble parent DNA
B.) different density but resemble parent DNA
C.) same density and resemble parent DNA
D.) same density but do not resemble parent DNA.
Please give me the correct answer because i saw these questions in three different books (cengage, MTG and dhisha NTA) and all books have different option in answer key and explanation for it... So am confused.. Plz give me correct answer and correct explanation .. Pls

Answer 1

Answer:

ans is b -

Explanation:

different density but resemble parent DNA

Answer 2

Answer:

hello I don't know the answer of your question please don't feel sorry and please be cool and don't ask the such silly questions