Fitting right into the equation is Erin Hills Golf Course in Hartford, Wisconsin, the site of the 2017 U.S. Open. Erin Hills has never held the U.S. Open, although it has held the U.S. Amateurs, the U.S. Women's Amateur Public Links and other tournaments as well.
DNA has two main biological functions (aside from being a very elegant looking macromolecule). Primarily, it serves to store/determine the biological characteristics of any living thing according to a very specific arrangement of molecular connections, as will be defined in a later section of this site.
In biology, the major functions of nucleus are to maintain the integrity of DNA and to control cellular activities such as metabolism, growth, and reproduction by regulating gene expression. It has three main components: the nucleolus, the chromatin and the nuclear envelope.