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
SportsCenter AM will also share resources with Good Morning America and ESPN2/ ESPN Radio 's Mike & Mike. On September 7, 2015, Scott Van Pelt became the solo anchor of a revised 12:00 a.m. (Eastern) edition of the program, which is more freeform than other SportsCenter editions.