Sentences with phrase «because during replication»

This is because during replication, DNA polymerase can only synthesize DNA in a 5 «to 3 «direction and can only do so by adding polynucleotides to an RNA primer that has already been placed at various points along the length of the DNA.

Not exact matches

Because of these nearly ubiquitous toxic exposures, however, over the past decades many babies have been born with genes scarred from exposure to inflammatory chemicals during key periods of replication.

Fritz Schweingruber was aware that the replication of the original Polar Urals chronology was quite low during medieval times and asked for further samples (see page 4 of our SM4 document), which turned out to be non-ideal, as we've demonstrated by comparison with other trees but which might have been expected because they are from the root collar.