Take a look at different forms of cellular communication which takes place between cells.

Learn how signals travel within cells, and from cell to cell as a form of cellular communication.

These pages are from the Understanding Evolution website for teachers. They focus on homologous structures that organisms with common ancestors share.

This cell biology page is illustrated with photographs of plant meiosis taking place in a cell.

A short, informational text piece which explains the structure and function of microfilaments inside a cell.

Students use guided scientific observation using a collection of models, visual material, and microscope slides to identify cell organelles. Then they demonstrate their understanding of the parts/characteristics of cells by identifying...

In this project, you'll learn how to isolate DNA from onion cells, separating it from other cellular components in a manner that still preserves its structure and sequence. In the end, you'll have enough DNA to see with the unaided eye,...

This interactive feature describes some of the most important structures and functions of the cell membrane.

In this unit, students look at the components of cells and their functions and discover the controversy behind stem cell research. The first lesson focuses on the difference between prokaryotic and eukaryotic cells. In the second lesson,...

Describes the structure and functions of the mitochondria.

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.

In this module, students discover how each cell is organized to complete the function of producing and transporting proteins, and how cells relate to homeostasis of the body.

This website offers a clear definition of the science of Genetics, highlighting DNA and genes. There is a neat, easy-to-understand animated tour of the basics and an opportunity to go inside an animated cell. Student can build a DNA...

In this unit you will be introduced to the complexity of living things. It also reviews the kingdom of nature, differentiating between their main features from those who are microscopic unit-cellular to the multi-cellular visible to the...

[Free Registration/Login may be required to access all resource tools.] The chemical and physical properties of water are examined in this lesson, including the role of hydrogen bonds in determining water's properties. The importance of...

Investigate plant and animal cells by clicking on the different organelles to learn how their structure affects the function of the cell.

Towers have been a part of developed society for centuries. Towers serve a variety of purposes, from lookouts to cellular towers. In this activity student groups will build three types of towers, engineering them to hold an egg one foot...

This University of California Berkeley site offers a definition of slime molds, structure, and life cycle.

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

This interactive feature illustrates the movement of some materials that pass through the membrane of a cell, and it describes the structures that make it possible.

This resource is a cellular biology course site with clickable list that provides electron micrographs of various cell organelles and the like.

This lesson will discuss the structure and function of the cytoplasm. It is 3 of 5 in the series titled "Cytoplasm."

A short piece of informational text which explains the structure and function of ribosomes in a cell.

A brief informational summary which describes the structure and function of mitochondria inside cells.