CK-12 Foundation
Ck 12: Life Science: Cell Division
[Free Registration/Login may be required to access all resource tools.] Cells do eventually wear out. At that point, they need to be replaced. This is one reason that your cells divide. New cells that result after cells divide are also...
Estrella Mountain Community College
Estrella Mountain College: Cell Division and Meiosis
Resource provides a holistic and complete meiosis lesson with illustrations, animations, glossary, and links. Extremely detailed and helpful site.
Cells Alive
Cells Alive!: Study Aids
A collection of PDF study aids to help students comprehend cell biology.
Estrella Mountain Community College
Online Biology Book: Cell Division: Meiosis and Sexual Reproduction
An in-depth reference explaining each stage of meiosis as a part of sexual reproduction. Animated images and diagrams help learners with understanding.
University of Arizona
University of Arizona: Guia Sobre El Ciclo Celular Y Mitosis
This module is designed to introduce you to the events that occur in the cell cycle and the process of mitosis that divides the duplicated genetic material creating two identical daughter cells. At the end you can test your understanding...
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.
Cells Alive
Cells Alive: Mitosis: An Interactive Animation
An interactive demonstration of cell mitosis which allows users to click on any stage of mitosis and see a representative depiction.
Kent State University
Kent State University: Krebs Cycle
This page contains diagrams and formulas for the Krebs cycle. The page has seven different catagories. The page is written by Clarke Earley, Ph.D., a chemistry professor at Kent State University.
National Institutes of Health
National Institutes of Health: Cell Biology and Cancer [Pdf]
Learners examine the major biological concepts related to the development and impact of cancer. The resource consists of a web version of the supplement, state standards, and downloadable materials.
Ducksters
Ducksters: Biology for Kids: Cell Division and Cycle
A site about cell division and the cell cycle in the science of biology including mitosis, meiosis, and binary fission.
TeachEngineering
Teach Engineering: Cell Membrane Structure and Function
Students learn about the different structures that comprise cell membranes, fulfilling part of the Research and Revise stages of the legacy cycle. Students view online animations of cell membrane dynamics (links provided). Then they...
University of Arizona
University of Arizona: Puntas De Raiz De Cebolla Online
In this activity you will be able to classify and count the cells from the tip of an onion root into the appropriate phases of the cell cycle. You can use your count to predict the time a dividing cell spends in each phase.
CK-12 Foundation
Ck 12: Life Science: Plant Reproduction and Life Cycle
[Free Registration/Login may be required to access all resource tools.] The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes). Our...
Cosmo Learning
Cosmo Learning: Introductory Biology
A collection of video lectures discussing applications of human biology taught at Massachusetts Institute of Technology. Lectures vary in length and cover topics like the cell cycle, stem cells, and cancer.
University of California
Animations of Hsv Infection and Replication
The herpes viruses infect many species of vertebrates. This series of animations illustrates the precise mechanism for entering a cell and copying itself. For advanced students.
Khan Academy
Khan Academy: Apoptosis
Learn about programmed cell death and how it is different from necrosis, cell death due to injury.
Curated OER
Brooklyn College: The Cell Cycle: Naming the Parts
Use this information to help you understand the differences between major parts of the cell cycle. A good place to start a study of cell division.
Curated OER
Illustration of the Stages of Cell Cycle
Has explanations, illustrations, and a Quick Time movie to download. Also contains practice test questions that are answered online.
Other
E Cycle Best: Life & Death After Usage
Follow the route of a cell phone from the beginning to the end in this article.
Sumanas
Sumanas Inc: Microbial Life: Life Cycle of Hiv, a Retrovirus
Use this tutorial to enhance your understanding of how the human immunodeficiency virus invades healthy cells of the immune system. [3:15]
Other
E Cycle Best: Man & His Mobile: A Toxic Relationship
The cell phones have dramatically changed our way of life but at what cost? Learn the cons to these powerful machines in this article.
Ohio State University
Ohio State University: Respiration
Informative text is clearly written and supported by good illustrations and charts as well. A quiz is also provided at the bottom of the site.
TeachEngineering
Teach Engineering: Active and Passive Transport: Red Rover Send Particles Over
Students compare and contrast passive and active transport by playing a game to model this phenomenon. Movement through cell membranes is also modeled, as well as the structure and movement typical of the fluid mosaic model of the cell...
Biology Pages
Kimball's Biology Pages: Dna Replication
This page provides a fairly high level explanation of DNA replication with extensive graphics. Good description of this process.