Resource takes a look at the structure and function of the organelles mitochondria and chloroplasts. It also examines endosymbiosis, where the organelles probably came from.

This site provides detailed information on chloroplasts. Explains the many duties that chloroplasts perform and why they are so important. Good diagrams.

Find out about mitochondrial and chloroplast DNA, and why its inheritance does not follow Mendelian patterns.

Eukaryotic cells have separate DNA from mitochondria and chloroplasts which indicates that they were once primitive cells on their own. This multimedia article includes animations, pictures, video, biographical information, and quiz...

A basic explanation of how chloroplasts and mitochondrion produce energy within the cell. Various terms presented are explained in a clear and easily understandable manner.

36-page tutorial takes a look at the organization of living cells.

The Tree of Life is a multi-authored, Internet distributed project containing information about phylogeny and biodiversity. The Tree of Life can be used to locate information about a particular group of organisms through their taxonomy.

This cellular biology page presents extensive detail on the chemical nature of the cell membrane. Using the Chime plug-in, students can manipulate and study models of the membrane.

[Free Registration/Login may be required to access all resource tools.] Learn about the evolution of eukaryotes which is explained by the endosymbiotic theory.

An in-depth discussion of the different parts of eukaryotic and prokaryotic cells as well as a thorough explanation of organelles within the cell. The text is better suited to high school and middle school. However, there is a picture of...

Learn about the endosymbiotic theory. This theory explains the evolution of cells from a mitochondria and chloroplast working together in a symbiotic relationship to the current cell structure.

The cell is the structural and functional unit of life. This unit covers the cell from the outside to the inside. It contains 18 interactive activities.

A multiple-choice quiz on the processes of respiration and photosynthesis in plants.

[Free Registration/Login may be required to access all resource tools.] Take a close look at the endosymbiotic theory scientists have developed to explain the evolution of eukaryotes. Understand that chloroplast and mitochondria used to...

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

This is a thorough site which contains a glossary of plant/animal cell anatomy terms. Diagrams of both cells are included along with worksheets to label.

This tutorial compares prokaryotic and eukaryotic cellular organization and contrasts cells with viruses. Includes a practice quiz to test your knowledge.

The materials on this page were prepared by a high school teacher for a Biology class. This section supports a unit on cell energy and includes course readings, lab notes, PowerPoints and diagrams.

This site features a clear picture of the plant cell with a concise explanation of its key parts and their functions.

Teacher lesson plan on cell organelles description and function using advertising.

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

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

This activity offers an alternative to cell models to help the students to understand cells and their functions. Students are required to produce a travel brochure that describes a plant or animal cell as if it were a large exhibit or...

Explains how plant and animal cells are different and describes the organelles in a plant cell.