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.
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.
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.
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]
OpenStax
Open Stax: Anatomy & Physiology: Erythrocytes
Learn about the anatomy and the various steps in the life cycle of an erythrocyte, and find out about the composition and function of hemoglobin.
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.
PBS
Pbs: Never Say Die: The Clock of Life
This site from the PBS production, Scientific American Frontier "Never Say Die", includes a section entitled "The Clock of Life". It provides a discussion of cell death through shortening of the telomere. A good class activity included.
Other
E Cycle Best: The Metamorphosis: From Rotary Dials to Smartphones
Learn how a rotary phone transformed into the smartphones we have today in this article.
TeachEngineering
Teach Engineering: Cellular Respiration and Bioremediation
Students learn about the basics of cellular respiration. They also learn about the application of cellular respiration to engineering and bioremediation. And, they are introduced to the process of bioremediation and examples of how...
CK-12 Foundation
Ck 12: Life Science: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. DNA replication occurs during the S...
Teachers TryScience
Teachers Try Science: Breathing Yeasties
See how combining yeast, sugar, and water can demonstrate the carbon cycle and show how microorganisms work in the food chain.
BiologyWise
Biology Wise: Cellular Respiration Diagram
The equation for cellular respiration is given and a diagram is provided that illustrates the process with glycolysis, the Krebs cycle, and the electron transport chain shown. Each of these steps is explained and a summary of the total...
University of Hamburg
University of Hamburg: C3, C4, and Cam. Regulation of the Activity of Photosynthesis
Compares and contrasts C3, C4, and CAM photosynthetic pathways. Digram of C4 reaction included.
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.
Cold Spring Harbor Laboratory
Dna Interactive: Manipulation
Once the code was discovered, how could DNA be manipulated, what tools would be needed to make use of DNA. These are some questions answered in this interactive website.
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.
Soft Schools
Soft Schools: Meiosis Quiz
Take an interactive quiz over meiosis. After completing the quiz, check your score, and then revisit any incorrect question for further review
Other
E Cycle Best: Life & Death After Usage
Follow the route of a cell phone from the beginning to the end in this article.
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.
BiologyWise
Biology Wise: Mitochondrial Matrix
Discusses the structure of the matrix inside a mitochondrion and how hundreds of concentrated enzymes are held there. The matrix takes part in mitochondrial functions such as the Krebs cycle, the electron transport chain, ATP synthesis,...
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.