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.
A distilled beverage, spirit, or liquor is an alcoholic beverage containing ethanol that is produced by distilling (i.e., concentrating by distillation) ethanol produced by means of fermenting grain, fruit, or vegetables. This excludes undistilled fermented beverages such as beer, wine, and cider. Vodka, gin, baijiu, tequila, rum, whisky, brandy, Singani and soju are examples of distilled beverages. Hard liquor is used in North America and India to distinguish distilled beverages from undistilled ones (implicitly weaker). 1  Spirits.