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Nuclei | Define Nuclei at Dictionary.com
Plural nuclei (nōō ′ klē-ī′). The positively charged central region of an atom, composed of one or more protons and (for all atoms except hydrogen) one or more neutrons, containing most of the mass of the atom.
Nuclei | definition of nuclei by Medical dictionary
1 the central controlling body within a living cell, usually a spheric unit enclosed in a membrane and containing genetic codes for maintaining life systems of the organism and for issuing commands for growth and reproduction.
Cell nucleus - Wikipedia
In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel or seed) is a membrane-enclosed organelle found in eukaryotic cells.Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others including osteoclasts have many.
Nucleus | Definition of Nucleus by Merriam-Webster
a college campus that was a nucleus of opposition to the war the nucleus of the movement's methodology has always been passive resistance
The Nucleus - Definition, Structure, and Function
The cell nucleus is a membrane bound structure that contains the cell's hereditary information and controls the cell's growth and reproduction.
Nuclei dictionary definition | nuclei defined
As before, only true ring nuclei, and not internal anhydrides of aliphatic compounds, will be mentioned.; Nuclei are everywhere present.; Here we meet with a great diversity of types: oxygen, nitrogen, sulphur and other elements may, in addition to carbon, combine together in a great number of arrangements to form cyclic nuclei, which exhibit characters closely resembling open-chain compounds ...
Nuclei legal definition of nuclei
As a result of differentiation into their specific cell types, the nuclei of somatic cells exhibit a different pattern of markers compared to the nuclei of normal embryonic cells that have not yet differentiated themselves into specific cell types.
Atomic nucleus - Wikipedia
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
Nucleus | biology | Britannica.com
Nucleus: Nucleus, in biology, a specialized structure occurring in most cells (except bacteria and blue-green algae) and separated from the rest of the cell by a double layer, the nuclear membrane.
Nucleus | Define Nucleus at Dictionary.com
Plural nuclei (nōō ′ klē-ī′). The positively charged central region of an atom, composed of one or more protons and (for all atoms except hydrogen) one or more neutrons, containing most of the mass of the atom.