Question

A DNA molecule which contains most of its ritrogen in the form of 15N is allowed to replicate in a medium containing the nitrogen source 14N.
(i) what will be the percentage of DNA strand that contain 15N after two rounds of replication?​

Answer 1

Answer:

25%

Explanation:

after 1st replication 15N and 14N will be 50%

after 2nd generation 15N 25% and 14N 75%

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