Structure The molecular structure of alpha-keratin. Disulfide bonds between two alpha-helix keratin. Î±-keratin is a polypeptide chain , typically high in alanine , leucine , arginine , and cysteine , that forms a right-ha
About city. Bangui is the capital of the Central African Republic. Covering an area of 67 sq km and with an approximate population of 750,000 recorded in 2012, it is also the largest city in the country.bout city. Bangui is the capital of the Central African Republic. Covering an area of 67 sq km and with an approximate population of 750,000 recorded in 2012, it is also the largest city in the country.
Though CuraÃ§ao did have a run-in with Hurricane Felix in 2007, the C of the ABC Islands is still a great bet for a safe and drama-free trip during hurricane season. Curacao is the largest of the Netherland Antilles, located in between Aruba and Bonaire, just 35 miles north of Venezuela.