Biology lectures teach students that when a cell’s replication machinery comes together, DNA polymerase takes off down the double-helix like a car on a highway ...
The process of transcription can be visualized by electron microscopy (Figure 1 ... the DNA double helix unwinds and RNA polymerase reads the template strand, adding nucleotides to the 3 ...
One is that the DNA template somehow becomes defective during replication, and causes the polymerase to pause (Figures 3 and 4a ... the checkpoint kinase 1 (Chk1) (Figure 4) (Cimprich & Cortez ...
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