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The history of the Philippines dates from the earliest hominin activity in the archipelago at least by 709,000 years ago. [1] Homo luzonensis, a species of archaic humans, was present on the island of Luzon [2] [3] at least by 134,000 years ago. [4] The earliest known anatomically modern human was from Tabon Caves in Palawan dating about 47,000 ...
Alanine (symbol Ala or A), [4] or α-alanine, is an α-amino acid that is used in the biosynthesis of proteins. It contains an amine group and a carboxylic acid group, both attached to the central carbon atom which also carries a methyl group side chain. Consequently it is classified as a nonpolar, aliphatic α-amino acid.
The history of the Philippines from 1898 to 1946 is known as the American colonial period, and began with the outbreak of the Spanish–American War in April 1898, when the Philippines was still a colony of the Spanish East Indies, and concluded when the United States formally recognized the independence of the Republic of the Philippines on ...
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The National Historical Commission of the Philippines is a government agency of the Philippines whose mission is "the promotion of Philippine history and cultural heritage through research, dissemination, conservation, sites management and heraldry works and aims to inculcate awareness and appreciation of the noble deeds and ideals of our ...
The economic history of the Philippines is shaped by its colonial past, evolving governance, and integration into the global economy. Prior to Spanish colonization in the 16th century, the islands had a flourishing economy centered around agriculture, fisheries, and trade with neighboring countries like China, Japan, and Southeast Asia.
The structure of alanine racemase from Bacillus stearothermophilus (Geobacillus stearothermophilus) was determined by X-ray crystallography to a resolution of 1.9 A. [7] The alanine racemase monomer is composed of two domains, an eight-stranded alpha/beta barrel at the N terminus, and a C-terminal domain essentially composed of beta-strand. A ...
β-Alanine (beta-alanine) is a naturally occurring beta amino acid, which is an amino acid in which the amino group is attached to the β-carbon (i.e. the carbon two carbon atoms away from the carboxylate group) instead of the more usual α-carbon for alanine (α-alanine). The IUPAC name for β-alanine is 3-aminopropanoic acid.