Definition. 00:00. A nucleus, as related to genomics, is the membrane-enclosed organelle within a cell that contains the chromosomes. An array of holes, or pores, in the nuclear membrane allows for the selective passage of certain molecules (such as proteins and nucleic acids) into and out of the nucleus.
A nuclear cell is a type of battery that generates energy through nuclear reactions. It directly converts nuclear energy into electrical power. It is used in space travel, naval propulsion, and energy organization.
