What Is Meaning Of Nucleus

Nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproduction cell nucleus karyon cell - biology the basic structural and functional unit of all organisms. The cell nucleus is a membrane-bound structure that contains a cells hereditary information and controls its growth and reproduction.

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In chemistry a nucleus is the positively charged center of the atom consisting of protons and neutrons.

What is meaning of nucleus. Plural nuclei nōōklē-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. The noun nucleus has several senses though most of them will appear in science. The number of protons determines the chemical element.

Nuclei definition plural of nucleus. The contents are collectively referred to as nucleoplasm. The nucleus has been clearly explained as a membrane-bound structure that comprises the genetic material of a cell.

The part of a cell that. The nucleus is the center core of an atom that has a positive charge and that contains most of the atoms mass or the central heart of an organization or group. An example of a.

The word nucleus comes from the Latin word nucleus which is a form of the word nux which means nut or kernel. The nucleus controls and regulates the activities of the cell eg growth and metabolism and carries the genes. Countable noun The nucleus of a group of people or things is the small number of members which form the most important part of the group.

Nearly all nuclei contain both protons and neutrons. They may exist as independent units of life as in monads or may form colonies or. A nucleus is often called the brain or control center of a eukaryotic cell that is a cell with a nucleus.

The nucleus of an atom or cell is the central part of it. It is not just a storage compartment for DNA but also happens to be the home of some important cellular processes. Biol A body usually spheroidal in a eukaryotic cell distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents which contains the chromosomal genetic material including the chromosomal DNA.

First and foremost it is possible to duplicate ones DNA in the nucleus. The exception is the most fundamental and smallest of all atoms hydrogen-1 whose nucleus consists of a single proton. In biology the nucleus is a small structure located inside the cells of eukaryotic organisms.

Collins English Dictionary - Complete Unabridged 2012 Digital Edition William Collins Sons Co. Its also known as the atomic nucleus. Medical Definition of 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. It is the command center of a eukaryotic cell and is usually the most notable cell organelle in both size and function. The term nucleus is used in several different ways in the sciences although all cases reference a critical structure found at the center of something.

A spheroid body within a cell contained in a double membrane the nuclear envelope and containing the chromosomes and one or more nucleoli. The term was coined in 1844 by Michael Faraday to describe the center of an atom. Of 2.

A cellular organelle of eukaryotes that is essential to cell functions as reproduction and protein synthesis is composed of nuclear sap and a nucleoprotein-rich network from which chromosomes and nucleoli arise and is enclosed in a definite membrane. Neutrons and protons are bound together in the nucleus of an atom. The central part of an atom usually made up of protons and neutrons 2.

All nuclei are positively charged because of the presence of protons.

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