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Unformatted text preview: zip that opens and closes a bag. DNA helicase is the enzyme that carries out DNA replication. It looks at one side of base pairs and copying it into another DNA, and then it pairs it with another set of bases. Personal Reflection: | P a g e Gautham – 11/04/09 We did a fun activity in class about how DNA replicates. We now know and understand the roles of the two different types of enzymes (DNA helicase, and DNA polymerase). I think this activity was a good way to learn how DNA replicates and what the two different enzymes do. This is the second phase of the cell cycle (or the life cycle) and it’s called the Synthesis phase. DNA helicase opens and closes a DNA replication bubble/fork. I’m sure that there are many more things to learn about in DNA replication, as we have only spent one class on this. Atleast we got the basics and we know how this stage works in a nutshell. | P a g e Gautham – 11/04/09...
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