Reverse transcriptases are enzymes encoded in retroviruses viral genome. The enzyme is responsible for transcription of the viral RNA to produce a dsDNA that can be inserted into the host genome.
Pacific Ocean Basin. The Pacific Ocean is bounded on the east by the North and South American continents; on the north by the Bering Strait; on the west by Asia, the Malay Archipelago, and Australia; and on the south by the Southern Ocean.
This model is courtesy of the Center for Environmental Visualization, University of Washington. From a so-called basin perspective, the Oregon ocean area is a small segment of a much larger region affected by oceanographic and atmospheric forces that operate across the entire Northeast Pacific Ocean.