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.
Georgia State University
Georgia State University: Hyper Physics: Energy Cycle From Plants to Animals
Find out about the essential role energy plays in cell function and in sustaining life. Trace energy transformations as they pass from one living thing to another.
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]
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.
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...
Khan Academy
Khan Academy: Apoptosis
Learn about programmed cell death and how it is different from necrosis, cell death due to injury.
Texas Education Agency
Texas Gateway: Cell Processes: Respiration
Learn about the process of cellular respiration in this tutorial.
San Diego State University
Sdsu: Lesson 2.5: How Do Organisms Reproduce? Meiosis
This site will allow students to grasp the complex concept of meiosis by modeling the process with clay.
Sophia Learning
Sophia: Krebs Cycle: Lesson 2
This lesson will introduce the Kreb's cycle and explain how it is used to convert pyruvic acid into carbon dioxide. It is 2 of 6 in the series titled "Krebs Cycle."
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.
CK-12 Foundation
Ck 12: Unit 4: Vocabulary
[Free Registration/Login may be required to access all resource tools.] Lists vocabulary terms associated with the cell cycle.
Khan Academy
Khan Academy: Test Prep: Mcat: Oxidative Phosphorylation: The Major Energy Provider of the Cell
Explains oxidative phosphorylation, which is the fourth step of cellular respiration, and produces the most of the energy in cellular respiration.
Estrella Mountain Community College
Estrella Mountain Community College: Flower Structure
Site covers all aspects of plant reproduction such as life cycles, angiosperms and flowers. Provides links to other sites to aide in research.
Other
E Cycle Best: Life & Death After Usage
Follow the route of a cell phone from the beginning to the end in this article.
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.
Khan Academy
Khan Academy: Cellular Division Questions
This study resource from Khan Academy provides practice questions for the MCAT. "Cellular division" questions are provided on this resource.
Diffen
Diffen: Mitosis and Meiosis
Find out about the basics of mitosis and meiosis with this comparison chart. Then read the article, study the diagrams, and watch the videos to go further into the subject.
McGraw Hill
Glencoe Biology: Cellular Reproduction: Chapter Test Practice
Try these fifteen multiple-choice review questions over concepts in cellular reproduction.
Soft Schools
Soft Schools: Mitosis Quiz
Take this interactive, multiple-choice quiz over mitosis, then review your score and any missed questions at the end.
Khan Academy
Khan Academy: Apoptosis
Test your knowledge on the process of apoptosis with this quiz.
City University of New York
The World of Cells: Viruses
Alive or not, viruses are introduced in an easy to follow essay that explains many basic concepts.
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.
Texas Education Agency
Texas Gateway: Virus: Reproduction
Get an inside look at how viruses reproduce in a host cell in this tutorial. Tutorial explores both the lytic and lysogenic cycle.