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How is DNA unwound at the replication fork?

When DNA replicates, the enzyme helicase separates the DNA strands. Single-stranded DNA binding proteins then stabilize the unwound template DNA, keeping it in an extended single-stranded state so that it can be copied by DNA polymerase.

What are the steps to DNA replication?

DNA replication occurs in a series of five steps: initiation at the origin of replication, unwinding to expose the strands, synthesis on both strands with many enzymes adding nucleotides 3′ to 5′, lengthening by RNA primers, and separation into two complete molecules.

How is DNA unzipped at replication forks?

They do so by binding at DNA sequences called origins on DNA molecule then they break the hydrogen bonds between complementary base pairs causing the two strands of DNA molecule to unzip. Also, how does DNA unwind? DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site called the origin of replication, and it creates a replication fork by separating the two sides of the parental DNA. Likewise, where does ...

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