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.
Artificial cardiac pacemaker. Pacemaker redirects here. For other uses, see Pacemaker (disambiguation). A pacemaker (or artificial pacemaker, so as not to be confused with the heart's natural pacemaker) is a medical device which uses electrical impulses, delivered by electrodes contracting the heart muscles, to regulate the beating of the heart.