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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...

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  ...

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.

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 ...

Nuclear Physics 101: What Holds the Nucleus Together ...


Jun 27, 2013 ... Stuff at the atomic level gets pretty weird. particle collision.png. What Are Protons and Neutrons Made Of? Every atom's nucleus is made up of a ...

Atoms - the inside story. Inside the nucleus. - School Science


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 ...

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 ...

Biology for Kids: Cell Nucleus - Ducksters


Kids learn about cell nucleus in the science of biology. ... Ribosome - Ribosomes are made inside the nucleolus and then sent outside the nucleus to make ...

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 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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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 ...

What is the nucleus made of? - Quora


May 23, 2016 ... It is made up of nucleons. Although that is the definition of a nucleon, so we have established a tautology. A nucleus must be made up of ...

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  ...