I watched a short video about DNA Replication. This video eplains how the DNA is replicated from one DNA strand into two new DNA strands. First, the helicase unwinds the DNA molecule at a very fast speed("like a jet"--as they said). Then one DNA strand is copied continuously into a new DNA strand, while the other one si copied backwards one section at a time.
This topic relates directly to microbiology, because we were just studying about DNA Replication. After watching this video, I have a better visual idea of how DNA replicates into two new DNA molecules.
http://www.hhmi.org/biointeractive/media/DNAi_replication_vo1-lg.mov
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