The cell nucleus is one of the largest organelles found in cells and also plays an important biological role. It composes about 10% of the total volume of the cell and is found near the center of eukaryotic cells. Its importance lies in its function as a storage site for DNA, our genetic material.
A monorail is a railway in which the track consists of a single rail. The term is also used to describe the beam of the system, or the vehicles traveling on such a beam or track.
ârailroad carrierâ means a person providing railroad transportation, except that, upon petition by a group of commonly controlled railroad carriers that the Secretary determines is operating within the United States as a single, integrated rail system, the Secretary may by order treat the group of railroad carriers as a single railroad carrier for purposes of one or more provisions of part A, subtitle V of this title and implementing regulations and order, subject to any appropriate ...