Science vs Common Sense. Saxophones are mostly made from brass, which is an alloy mostly of copper and zinc. There are and have been slightly different combinations, and various other metals (e.g. lead) also included. Saxophones are also made from other materials, e.g. copper, bronze, silver and plastic. Various finishes are available: different types of lacquer and metal plating, e.g. silver, gold and nickel.
Due to the many other functions of melanocyte-stimulating hormone besides melanin production, there are likely to be a number of other factors that regulate its production. This means that, unlike most hormones, melanocyte-stimulating hormone release is not thought to be controlled by a direct feedback mechanism.
It determines the color of the skin, hair and eyes. Melanin is produced in the skin in cells known as melanocytes and through a process called melanogenesis. There exist different subtypes of melanin which are found in different people and different parts of the body.elanin is produced in the skin in cells known as melanocytes and through a process called melanogenesis. There exist different subtypes of melanin which are found in different people and different parts of the body.