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Cell nucleus - Wikipedia, the free encyclopedia


In cell biology, the nucleus is a membrane-enclosed organelle found in eukaryotic cells. ... are not uniform, and a number of sub-nuclear bodies exist, made up of unique proteins, RNA molecules, and...

What is a nucleus made of? | Reference.com


The nucleus of a plant or animal cell is made of chromatin and nucleoli. Chromatin is made of DNA and protein, and nucleoli are small bodies that hold protein ...

Biology4Kids.com: Cell Structure: Cell Nucleus


If it happens in a cell, chances are the nucleus knows about it. The nucleus is not ... in the nucleus. Chromatin is made of DNA, RNA, and nuclear proteins.

The Nucleus and Ribosomes - Boundless


Chromatin describes the material that makes up chromosomes, which are structures within the nucleus that are made up of DNA, the hereditary material.

Cell Nucleus and Nuclear Envelope - HyperPhysics


The nucleus of a eukaryotic cell contains the DNA, the genetic material of the cell. The DNA contains the information necessary for constructing the cell and ...

What is the difference between a nucleon and a nucleus? - Quora


The nucleus is the positively charged core of an atom, which is surrounded by a cloud of ... and neutral neutrons. That is, the nucleus is made up of nucleons.

Atoms - the inside story. Inside the nucleus.The atom is made from a ...


The atom is made from a central nucleus with electrons around the outside. The electrons have a negative charge and very little mass. Most of the mass of the ...

A world of particles.The standard model. Inside the atom.


A key stage 4 resource for physics GCSE Inside the atom The nucleus of an atom ... Unlike the electron, hadrons are not fundamental - they are made up of even ...

BBC - GCSE Bitesize: Structure of the atom


An atom is made from a nucleus surrounded by electrons. The nucleus contains protons and neutrons. Isotopes are atoms that have the same number of protons  ...

What is an Atom? | Parts of an Atom - Live Science


Jun 5, 2013 ... Atoms are the basic units of matter. They are made up of three particles: protons, neutrons and electrons. Definition of an atom, nucleus, proton, ...

What Is the Nucleus Made Of?
The nucleus can be made of a number of different things depending on its purpose. The atomic structure of elements contain nuclei, as do each cell within living things.... More »
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The Nucleus


The atomic nucleus consists of nucleons—protons and neutrons. Protons and neutrons are made of quarks and held together by the strong force generated by  ...

Questions and Answers - What is an atom? What are atoms made of?


The protons and neutrons cluster together in the central part of the atom, called the nucleus, and the electrons 'orbit' the nucleus. A particular atom will have the ...

What are the fundamental particles that make up a nucleus?


Atoms, which are considered to be the building blocks of "ordinary" matter, are made up of electrons, a lot of "empty space", and nuclei. We still believe electrons  ...