PBS
Pbs Learning Media: How Cancer Cells Grow and Divide
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.
BiologyWise
Biology Wise: Similarities Between Plant and Animal Cells
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....
Ohio State University
Ohio State University: Plant Cells
Use this informative essay and these great illustrations to learn how plant cells are different from animal cells.
PBS
Nova Online: How Cells Divide, Mitosis vs. Meiosis
Slideshow of mitosis and meiosis side-by-side. It is a summation of the two processes and the differences between them are clear.
BiologyWise
Biology Wise: A Brief Comparison of Plant Cell vs. Animal 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.
BiologyWise
Biology Wise: Animal Cell Parts
The parts of an animal cell are presented with short descriptions of each of its organelles.
Bio Topics
Bio Topics: Cell Structure
An online worksheet exploring the cell structure and cell specialization. Worksheet includes diagramming and fill in the blank opportunities related to cell structure.
National Health Museum
Access Excellence: Cells on a Ceiling
In this lesson plan site, each student is assigned a cell part to research, create, and place inside of a clear plastic drop cloth (the cell) the size of one-half of the classroom ceiling.
University of Arizona
U of a Biology Project: Cell Cycle and Mitosis Tutorial
Poses and answers the question, "What is (and is not) mitosis?" An overview with images of the phases of mitosis, plus a mitosis animation.
BiologyWise
Biology Wise: Information About Animal Cells
Explains the differences between eukaryotic and prokaryotic cells and presents a diverse set of facts about animal cells.
BiologyWise
Biology Wise: Plant Cell Organelles
Explains how plant and animal cells are different and describes the organelles in a plant cell.
Other
Dr. Saul: Biology in Motion
This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.
University of Nebraska
University of Nebraska: Transpiration Water Movement Through Plants
This tutorial examines how water moves through a plant. Follow the pathway that water takes through plants from the roots to evaporation from cells in the leaves. Learn what controls rates of transpiration, how environmental conditions...
PBS
Nova: Cancer Warrior
Animations of the different phases of cancer, make this a great resource for understanding the development of this disease.
PBS
Pbs Learning Media: Embryo to Duckling
This video segment from NOVA: "The Shape of Things" follows the growth of a duck embryo, from a single fertilized egg cell to a complex, hatching duckling. [1:19]
BiologyWise
Biology Wise: Vacuole Analogy
Explains what vacuoles are and what their functions are in animal cells and plant cells, and offers analogies to help students understand their different roles.
TeachEngineering
Teach Engineering: What Do Bread and Beer Have in Common?
Young scholars are presented with information that will allow them to recognize that yeasts are unicellular organisms that are useful to humans. In fact, their usefulness is derived from the contrast between the way yeast cells and human...
PBS
Pbs Learning Media: Genetic Therapy and Breast Tumors
This video segment from the Secret of Life School Video: "On the Brink: Portraits of Modern Science" explores the genetics of breast cancer. [3:40]
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Transcription & Translation: Transcription Basic
A brief animation showing the basics of DNA transcription in cells. [1:52]