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.

Learn how cells use checkpoints to regulate the cell cycle. This article provides an overview of cell cycle control, outlining the factors that influence a cell's decision to pause or progress at each checkpoint.

This module focuses on cell structure and how the organelles function together to form the smallest unit of life. The cell theory is also discussed along with the basics features of the cell. Site also includes an interactive practice...

Explanation of when the cell was discovered and how ideas have evolved into modern cell theory. Discover the cell structures and their functions.

Evidence in support of endosymbiosis to show the evolution of organelles within cells.

This web resource provides basic information about structure and function of plant organelles through a large interactive cell drawing, as well as many opportunities to explore further. Links lead the learner to several short movies of...

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

The structure and functions of chloroplasts are described in detail here.

The cell membrane is one of the great multi-taskers of biology. It provides structure for the cell, protects cytosolic contents from the environment, and allows cells to act as specialized units. Learn how the membrane functions to...

In-depth information on all stages of cell biology as well as lesson ideas, tutorial diagrams, and online labs.

Describes the composition of cytoplasm, its functions, the cell organelles suspended in it and what their functions are, and lots of other information about this vital cell component.

Carrier proteins and channel proteins are both involved in cell transport across the plasma membrane. Their functions, similarities, and differences are described in this resource. Includes examples for active, facilitated, and passive...

Discusses the structure of a cell membrane, the role of membrane proteins, and the differences between integral membrane proteins and peripheral membrane proteins as regards to their functions, location, and relationship with the...

The characteristics and functions of the Golgi apparatus are described.

Describes the three types of plant cells and their differences, and the structures within a plant cell and their functions.

Discusses the differences between endothelial and epithelial cells, including where they are found in the human body, their function, and their structure.

Describes the steps in how to make a model of a plant cell using simple materials and sweet foods like jello and candy.

Study the plant cell chloroplasts in the science of biology including their function, structure, and how they help make energy through the process of photosynthesis on this site.

Students determine which cell organelles have a similar function to different places in a city.

Explains what progenitor and stem cells are and presents a chart showing their major differences, as well as a list of their scientific applications.

Describes the structure and functions of centrioles within a cell.

Presents labeled illustrations of a plant cell and an animal cell which demonstrate the parts that are common and different. This is followed by a discussion of their similarities and then of their differences.

The parts and functions of the mitochondria are described as well as the many illnesses that can result from mitochondrial dysfunction.

The endoplasmic reticulum is found in eukaryotic cells. The characteristics and functions of the smooth endoplasmic reticulum are described and it is then compared with the rough endoplasmic reticulum.