Gyrase (a form of topoisomerase) relaxes and undoes the supercoiling caused by helicase. It does this by cutting the DNA strands, allowing it to rotate and release the supercoil, and then rejoining the strands. Gyrase is most commonly found upstream of the replication fork, where the supercoils form.
TLCâs âI Am Jazzâ to premiere on July 15 The U.S. cable network has set a July 15 air date for I Am Jazz (pictured), a reality show starring transgender teen activist and YouTube personality Jazz Jennings and her family. Radarscreen Events
WHO (AM) WHO (1040 kHz Newsradio 1040) is a commercial AM radio station in Des Moines, Iowa. The station is owned by iHeartMedia and carries a news/talk radio format. The studios and offices are on Grand Avenue in Des Moines. The transmitter is on Northeast 120th Street in Mitchellville, Iowa.