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.
Khan Academy
Khan Academy: Steps of Cellular Respiration
Resource walks you through the four major stages of cellular respiration which include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation and traces how they connect up to one another.
BioEd Online
Bio Ed Online: The Science of Microbes: Making Copies of an Hiv Particle
Young scholars read an article about how the HIV virus replicates itself in a host cell, and the parts of an HIV particle. Includes labeled drawings of an HIV particle and of its replication cycle. The lesson materials and a set of...
Concord Consortium
Concord Consortium: Stem Resources: Cellular Respiration
Web-based activity provides an opportunity for students to study cellular respiration in an up-close and personal way. By following atoms and molecules through an interactive animation, they will be able to see the changes that take...
Vision Learning
Visionlearning: Energy in Living Systems: Generation of Atp
Explanation of biochemical processes in cells during metabolism. Focus is on the generation of ATP.
PBS
Pbs Learning Media: Duck Development
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. [2:43]