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...

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

This lesson explains how cells were first discovered, and introduces scientists that were a vital part of this discovery. It is 4 of 4 in the series titled "Discovery of Cells."

This lesson explains how cells were first discovered, and introduces scientists that were a vital part of this discovery. It is 2 of 4 in the series titled "Discovery of Cells."

A chart which identifies each part of a cell, the location, the description, and the function.

Moving materials across the cell membrane sometimes requires energy, called active transport. This tutorial covers both primary and secondary active transport with good clear animations.

Tutorial with animated illustrations showing how vesicles work to transport materials inside a cell and release them through the cell's membrane to the outside.

This is the index page for a slide series on cell energetics. Among the topics covered in the series is the role of enzymes in the metabolic process. Use the topic list to go straight to any slide.

This photo shows an enhanced microscopic view of cells.

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

This is an excellent PowerPoint presentation, with lots of graphics, on white blood cells. It clearly explains the different types of white blood cells and how they are formed.

This photo shows two agar plates of red blood cells with the sample on the left showing an infection.

An impressively detailed image showing a red blood cell in a capillary.

Online mitosis activity offers the student the opportunity to identify, classify, calculate, and graph the phases of mitosis. Explanations of each phase, actual cells are displayed for classifing and gathering data in this comprehensive...

A collection of visualization-oriented tutorials for creating 3D animations for use in your biology classroom. Search by difficulty level, software package, or 3D topic area.

View an electron micrograph of a mast cell with obvious nucleolus. This picture has a caption.

This illustration from Biology by Kenneth R. Miller and Joseph Levine describes the steps of the electron transport chain, the second stage in the process of cellular respiration.

Has explanations, illustrations, and a Quick Time movie to download. Also contains practice test questions that are answered online.

This lesson explains the process of diffusion. It explains how diffusion is a passive form of transport, used to move molecules down their concentration gradient. It is 2 of 8 in the series titled "Diffusion."

This lesson explains the process of diffusion. It explains how diffusion is a passive form of transport, used to move molecules down their concentration gradient. It is 4 of 8 in the series titled "Diffusion."

This lesson will explain how the process of Mitosis can be used to duplicate chromosomes. It is 1 of 3 in the series titled "General Mitosis Overview."

This site provides information on the schematic and electron micrograph of endoplasmic reticulum function of both smooth and rough endoplasmic reticulum.

Through a combination of slide show tutorials and a video demonstration, learn how enzymes work. [3:00]