PCR (Polymerase Chain Reaction). is a revolutionary method developed by Kary Mullis in the 1980s. PCR is based on using the ability of DNA polymerase to synthesize new strand of DNA complementary to the offered template strand.CR (Polymerase Chain Reaction). is a revolutionary method developed by Kary Mullis in the 1980s. PCR is based on using the ability of DNA polymerase to synthesize new strand of DNA complementary to the offered template strand.
Key categories. Distilled spirits are alcoholic beverages obtained by distillation of fermented mixtures. There are various types of distilled spirits or liquor such as whiskey, rum, vodka, tequila, and gin. These categories differ based on ingredients and method of distillation. For instance, rum is made from fermented and distilled cane sugar, whereas tequila is made from fermented sugars from the agave.
1 Vodka is neutral spirit distilled, or treated after distillation with charcoal or other materials, to be without distinctive character, aroma, taste, or color. 2  Grain spirits are neutral spirits distilled from a fermented mash of grain and stored in oak containers. Lees brandy is brandy distilled from the lees of standard grape, citrus, or other fruit wine. 2  Pomace brandy, or marc brandy, is brandy distilled from the skin and pulp of sound, ripe grapes, citrus or other fruit, after the withdrawal of the juice or wine therefrom.