A competitive inhibitor binds in the active site. This prevents the enzyme from binding to the substrate. When the active site is blocked, the reaction cannot occur. It is like the inhibitor and the substrate are competing for the active site.
Texas vehicle registration renewal notices are sent by the Department of Public Safety to the driver's mailing address six to eight weeks before the expiration date of your car registration. Once you receive this notice, you can renew auto registration by mailing certain documentation to a local TX DPS office.
Beginning in March 2015, proof of registration and inspection will be combined into one sticker. From March 1, 2015 until February 29, 2016, you can renew your registration if your inspection is still valid. If it expires when your registration does, you'll need a new inspection to renew.