Ozone Depleting Chemicals CFCs The destruction of ozone is accelerated by certain trace gases containing nitrogen, hydrogen, bromine, and chlorine. These are referred to as ozone depletion chemicals.
YAC (which stands for Yet Another Cleaner) is a company developing not only registry cleaners but all sorts of system utilities and security tools. And one of their best creations is the YAC Virus Removal Tool (which removes viruses, that must be clear).
yeast artificial chromosome (YAC) CLONING VECTOR based on YEAST chromosome, with a yeast TELOMERE at each end of the linear molecule, a CENTROMERE, a sequence for autonomous REPLICATION, allowing propagation in yeast, a selectable GENETIC MARKER for yeast and a POLYLINKER. YAC vectors typically accommodate DNA fragments up to 600kb in size.