Order the following choices to reflect the process of DNA replication. - DNA lig

Question

Order the following choices to reflect the process of DNA replication. - DNA ligase joins the Okazaki fragments. - Primase synthesizes RNA primers. - DNA polymerase I removes the RNA primers and replaces them with DNA. - Two molecules of DNA polymerase III (one at each replication fork) build DNA by adding nucleotides onto the primers, extending them. - The leading strand is synthesized continuously while the lagging strand is synthesized in fragments (Okazaki fragments). - Helicase starts at the origin of replication separating the two strands of DNA, forming two replication forks.

Explanation / Answer

1) Helicase starts at the origin of replication separating the two strands of DNA, forming two replication forks.

2) Primase synthesizes RNA primer

3)Two molecules of DNA polymerase III (one at each replication fork) build DNA by adding nucleotides onto the primers, extending them.

4)The leading strand is synthesized continuously while the lagging strand is synthesized in fragments (Okazaki fragments).

5) DNA polymerase I removes the RNA primers and replaces them with DNA.

6)DNA ligase joins the Okazaki fragments

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