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.
In 2008, Central African Republic was the world's least light pollution affected country. The Central African Republic is the focal point of the Bangui Magnetic Anomaly, one of the largest magnetic anomalies on Earth. Wildlife. In the southwest, the Dzanga-Sangha National Park is located in a rain forest area.