Reverse Transcriptases. Reverse transcriptase is a common name for an enzyme that functions as a RNA-dependent DNA polymerase. They are encoded by retroviruses, where they copy the viral RNA genome into DNA prior to its integration into host cells.
A01: PACERâ pacer.psc.uscourts.gov âis a system maintained by the U.S. Government for the publication of federal court documents, such as opinions, briefs, orders, and forms.
A pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate.Pacemakers are used to treat arrhythmias (ah-RITH-me-ahs). Arrhythmias are problems with the rate or rhythm of the heartbeat.acemakers can: 1  Speed up a slow heart rhythm. 2  Help control an abnormal or fast heart rhythm. 3  Make sure the ventricles contract normally if the atria are quivering instead of beating with a normal rhythm (a condition called atrial fibrillation).