The Tencent App Store for Android (see #1 on the list) is the newest alternative, Chinese-made Android app store. 1  GoMarket / GoAPK grew out of its riotously popular BBS, where users share free and pirated apps. 2  N-Duo Market / Nduoa had been graced in the past with backing from Shanda, but that has fizzled out.
Alpha hydroxy is a familiar name to those seeking youthful skin; it is one in a long line of wonder ingredients in cosmetics and skin care products. It is an entire family of acids that can be derived from fruit, milk or sugar. The most widely used in skin care is glycolic acid (made from sugar) and lactic acid (made from milk).
The alpha carbon is a chiral carbon atom, with the exception of glycine which has two indistinguishable hydrogen atoms on the alpha carbon. Therefore, all alpha amino acids but glycine can exist in either of two enantiomers, called L or D amino acids, which are mirror images of each other (see also Chirality).