White is an achromatic color, a color without hue. Light with a spectral composition that stimulates all three types of the color sensitive cone cells of the human eye in nearly equal amounts appears white.
The nucleolus is contained within the cell nucleus. The nucleolus (/nuËËkliËÉµlÉs/ ; plural nucleoli /nuËËkliËÉµlaÉª/) is the largest structure in the nucleus of eukaryotic cells, where it primarily serves as the site of ribosome synthesis and assembly.he nucleolus is contained within the cell nucleus. The nucleolus (/nuËËkliËÉµlÉs/ ; plural nucleoli /nuËËkliËÉµlaÉª/) is the largest structure in the nucleus of eukaryotic cells, where it primarily serves as the site of ribosome synthesis and assembly.
noun. A model of an atom showing the nucleus. A model of an atom showing the nucleus. The nucleus is the center core of an atom that has a positive charge and that contains most of the atom's mass, or the central heart of an organization or group.1  An example of a nucleus is the center core of an atom. model of an atom showing the nucleus. A model of an atom showing the nucleus. The nucleus is the center core of an atom that has a positive charge and that contains most of the atom's mass, or the central heart of an organization or group. 1  An example of a nucleus is the center core of an atom.