Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA (mRNA) by the enzyme RNA polymerase. Both RNA and DNA are nucleic acids, which use base pairs of nucleotides as a complementary language.n bacteria, transcription begins with the binding of RNA polymerase to the promoter in DNA. RNA polymerase is a core enzyme consisting of five subunits: 2 Î± subunits, 1 Î² subunit, 1 Î²' subunit, and 1 Ï subunit.
Impressive as the Kirkland vodka is, however, the best thing about it might be its price â assuming you already have the Costco membership, you can get a 1.75 L handle of it for $27, less than a single 750 mL fifth of Goose costs.
This Balvenie 50 year old Scotch, pricing on average at retail over $37,000, is the most expensive whiskey bottling for sale at the moment, according to wine-searcher.com. (image via The Balvenie) Not surprisingly, as you can see from the list below, it is dominated by older, very, very limited edition Scotch expressions from the likes of The Balvenie, The Macallan, The Dalmore, Glenfiddich and Glenlivet.