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.
Itâs great news for us,â says Banga from. headquarters in Purchase, New York. His office is filled with mementos of a peripatetic career that has taken him to Southeast Asia, Europe and now the U.S. Banga admits that the chance to be chief executive lured him to the New York City suburbs.