During prophase the chromosomes are identical chromatids connected at the center by a centromere, forming a X-shaped object. The distinguishing feature of prophase is the setuâ¦p of the mitotic spindle, which is used to maneuver the chromosomes about the cell.
Plumbing fixtures generally refers to parts of a plumbing system that have a distinct use and application. This differentiates fixtures from other types of plumbing parts, such as pipes, which only carry water. For example, a faucet is a type of fixture because it can be turned on to release water.
A light fixture (US English), light fitting (UK English), or luminaire is an electrical device used to create artificial light by use of an electric lamp. All light fixtures have a fixture body and a light socket to hold the lamp and allow for its replacement. Fixtures may also have a switch to control the light. Fixtures require an electrical connection to a power source; permanent lighting may be directly wired, and moveable lamps have a plug.