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
But like many of TLCâs family series--Jon and Kate Plus Eight, Our Little Family, Sister Wives--I Am Jazz is about the extraordinary amidst the mundane. This is at heart a show about being a teen in the âburbs--changing schools, gossiping with friends, shopping, having trivial family arguments about money and curfews.