Reverse transcriptase is characteristic of retroviruses, including HIV (human immunodeficiency virus), the virus responsible for AIDS (acquired immunodeficiency syndrome). All retroviruses encode a polymerase enzyme in their pol gene that is both necessary and sufficient for the replication of their RNA genomes.
PDO positive phase global pattern. The Pacific Decadal Oscillation (PDO) is a robust, recurring pattern of ocean-atmosphere climate variability centered over the mid-latitude Pacific basin.
Ensenada is on Pacific Time, eight hours earlier than Greenwich Mean Time during standard time, or seven hours during daylight savings time. In Mexico, daylight savings time begins on the first Sunday of April, and ends on the last Sunday of October.