In reality, the process of replication is far more complex ... which involved exposing replicating DNA to a short "pulse" of isotope-labeled nucleotides and then varying the length of time that ...

Semiconservative replication was not the only model of DNA replication proposed during the mid-1950s, however. In fact, two other prominent hypotheses were put also forth: conservative replication ...

During DNA replication, special enzymes move up along the DNA ladder, unzipping the molecule as it moves along. New nucleotides move in to each side of the unzipped ladder. The bases on these ...

Additionally, the scientists unexpectedly captured for the first time a detailed picture of how the "engine" driving the ...