[Free Registration/Login may be required to access all resource tools.] The nucleus is only found in eukaryotic cells. It contains most of the genetic material of the cell. It is surrounded by a double membrane, or nuclear envelope, that...

[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.

Explore the cell nucleus in the science of biology on this site. Learn how this organelle is the control center of the cell, storing the DNA and hereditary information inside chromosomes.

This interactive resource provides a large clickable-map graphic of a plant cell. Simply click on the cell part and you are provided with a thorough explanation of nucleus or organelle.

The parts of a cell nucleus are described along with a list of the functions of a cell nucleus.

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.

An article reviewing the structure of eukaryotic cells. Learn how the cells have a nucleus, organelles, and chromosomes.

Explore the convept that DNA and proteins are key molecules of the cell nucleus.

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

Make learning about cells fun and easy with a collection of short video clips about cellular biology. Find out about the structure and function of the main organelles inside an animal cell.

Site highlights the various features of an animal cell. Presents users with a colorful diagram depicting the anatomy of the animal cell. Provides links to obtain more detailed information about the various components found in animal cells.

This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body.

This resource provides a detailed diagram of animal, bacterial and plant cells and viral structure. Also included are detailed drawings, with definitions, of each of the cellular organelles.

Describes plant cells and the structure and function of their different parts.

Presents labeled illustrations of a plant cell and an animal cell which demonstrate the parts that are common and different. Next is a table listing cell organelles and stating whether each is present or absent in a plant or animal cell....

[Free Registration/Login may be required to access all resource tools.] All cells are one of two types, prokaryotic or eukaryotic. Students will learn the structural differences between the two cells, be able to give examples, and...

Explains the functions of the nucleus in a cell.

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

Learn about the complex structures inside cells and what their functions are.

Description of organelles. Links will take you to a glossary with pictures for many of the definitions. Ends with a quiz linked to answers.

Self-guided learning activity where students learn about cell structure and function, different types of tissues, and various kinds of membranes in the body. There is a short quiz at the end of the lesson to check for understanding.