Relier Pairs DNA Replication Matching GameVersion en ligne Test your knowledge of DNA replication with this fun matching pairs game! par Faith Kollie 1 DNA Polymerase 2 Gyrase 3 Leading strand (5'-3') 4 Primase 5 Replication fork 6 Helicase 7 Ligase 8 Okazaki fragments 9 Origin of Replication 10 Nuclease 11 Telomerase 12 Lagging strand (3'-5') 13 DNA replication Lengthens telomeres; protects the ends of DNA . Replicates away from replication fork in fragments . Replication toward replication fork . Untwists double helix at replication fork separating them . Adds nucleotide to new strand; proofreads as nucleotides are added; removes error and adds correct nucleotide . One strand being replicated into two identical strands . The area where the replication of DNA will be taking place Cuts out damaged DNA segments . Site where replication begins; specific nucleotide sequence . Wind DNA helix back up . The fragments that grow on the lagging strand in a 5' to 3' .direction Used by RNA to add primer . Joins sugar and phosphates of Okazaki fragments; acts as a glue .