The cell nucleus of a eukaryote contains a nucleolus, chromatin, ribosomes, nucleoplasm and pores. However, the nuclear envelope surrounds the nucleus and consists of an inner and outer membrane with pores. These pores a... More »

The nucleus of a cell contains chromosomes, which are made from DNA, and the nucleolus. The cell nucleus also regulates the production of important proteins in the rest of the cell. Without both chromosomes and the nucle... More »

The nucleus of an atom is the region found in the center of the atom. It consists of the protons and neutrons. The nucleus makes up the majority of an atom's mass; the other part making up the atom's mass is the outer el... More » Science Chemistry Atoms & Molecules

The parts of the cell nucleus are the nuclear envelope, the nucleoplasm, the chromatin and chromosomes and the nucleolus. The nucleus is likened to the "brain" of a cell; its activities control the actions of a cell. More »

The nucleus of a cell contains genetic material called chromosomes; the nuclear membrane, called the nuclear envelope, which controls the cell's growth and reproduction; and a liquid called nucleoplasm. The nucleus manag... More »

The gelatinous liquid in the nucleus of a cell is called nucleoplasm or karyoplasm. It is a type of protoplasm found only in the nuclear membrane. Its contents differ from the cytoplasm contained between the cell membran... More »

Plant and animals cells have many of the same organelles, such as the nucleus, mitochondrion, Golgi apparatus, ribosomes and endoplasmic reticulum. In addition, the contents of these cells are held together by cell membr... More »