Search results
Results From The WOW.Com Content Network
There are three amino acids with side chains that are cations at neutral pH: arginine (Arg, R), lysine (Lys, K) and histidine (His, H). Arginine has a charged guanidino group and lysine a charged alkyl amino group, and are fully protonated at pH 7.
9,900 m (32,500 ft) maximum ceiling. Sights. ZF.20. The 8.8 cm Flak 18/36/37/41 is a German 88 mm anti-aircraft and anti-tank artillery gun, developed in the 1930s. It was widely used by Germany throughout World War II and is one of the most recognized German weapons of the conflict. The gun was universally known as the Acht-acht ("eight-eight ...
Argentina, [a] officially the Argentine Republic, [b] is a country in the southern half of South America.Argentina covers an area of 2,780,400 km 2 (1,073,500 sq mi), [B] making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world.
Alexandria Ocasio-Cortez ( / oʊˌkɑːsioʊ kɔːrˈtɛz / ⓘ oh-KAH-see-oh kor-TEZ, Spanish: [aleɣˈsandɾja oˈkasjo koɾˈtes]; born October 13, 1989), also known by her initials AOC, is an American left-wing politician and activist.