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Semiconservative Replication

8. DNA Replication / Semiconservative Replication / Problem 4

What was the key observation in the Meselson and Stahl experiment after the second round of DNA replication?

A

DNA with an intermediate density and DNA with light density

B

DNA with intermediate density, consisting of one strand of ¹⁵𝑁 and one strand of ¹⁴N

C

DNA molecules containing only ¹⁴𝑁 strands

D

DNA molecules containing only ¹⁵𝑁 strands

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