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
HAM VHF | HAM 52 | 146.5200 FM | HAM CALLING SIMPLEX. 146.52 MHz FM Simplex is widely known as the ham radio 2 meter Calling Frequency. It is the most widely monitored simplex frequency in USA, but it should not be depended upon for emergency 911 type calls, because there are no organized first-responders on it.