This site explains the nucleus, the control center of a cell, and DNA replication.

Use this chart to learn everything there is to know regarding a nucleus.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about the particles in an atomic nucleus, isotopes, and nuclear forces.

Discussion in detail of the structure and function of the nucleus and ribosomes of a cell and how they work together in the production of proteins.

Explains basic information about the nucleus of an atom.

[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of the nucleus. Students will learn about the structures associated with the nucleus like the nuclear envelop, the nucleolus,...

1HNMR theory begins in the nucleus of hydrogen. Complete this tutorial on the 1HNMR spectrum graph to learn about the number of equivalent hydrogens, b) the chemical environment of each hydrogen type and c) the number of neighbouring...

This online slide show presents the basic ideas behind the structure of the atomic nucleus.

[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of the nucleus.

[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of the nucleus.

[Free Registration/Login may be required to access all resource tools.] Discusses the nucleus of an atom and what holds it together.

[Free Registration/Login may be required to access all resource tools.] The nucleus of an atom and what holds it together.

Discover the structure and function of the nucleus of the cell.

Cells are almost like tiny factories run by robots, with the nucleus, DNA, proteins, lipids, and vitamins and minerals all playing critical roles. George Zaidan and Charles Morton lay out the blueprint of a cell and explain how...

Learn about Thomson's cathode ray experiment and the plum pudding model and Rutherford's gold foil experiment.

NASA site explores what a comet's nucleus is composed of. Animation and photographs are provided as well.

Take this ten-question review quiz over the nucleus of a cell. Read more about each question after an incorrect answer is given.

A good description of the structure and function of the nucleus.

A brief description of the central control center of every cell, the nucleus.

This site provides a great series on the neutron discovered by James Chadwick. Includes a seven-page series that covers what is inside the nucleus, the elusive neutron, beryllium radiation, Chadwick's discovery, neutrons from beryllium,...

See examples of scales based on a range from ten to the twelfth meters to ten to the negative twelth meters. Examples range from parts of our solar system to the nucleus of an atom.

The number of protons in the atom of an element determines its place in the Periodic Table. The number of electrons in an atom is the same as the number of protons. These electrons are arranged in shells or 'energy levels' around the...

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site seeks to answer the question, "Why doesn't the electron fall into the nucleus?"

A simple explanation of the structures theoretically found within protons and neutrons. The resource consists of pictures and links to additional resources.