Meselson and Stahl proved that

Question

A) DNA is the genetic material

B) DNA is made from nucleotides

C) DNA replicates in a semiconservative manner

D) DNA is a double helix held together with base-pairing

E) RNA is the genetic material

Answer 1

They let DNA replicate in a test tube but gave it heavy isotopes to copy itself with this made the new DNA half heavy and half normal.  Hence, the Semi conservative model of DNA replication.  C...final answer

Answer 2

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