Department of Defense
Do Dea: Biology: Unit 3: Cell Structure
In this third unit of a Biology course, students learn about cells and cell structure. They compare prokaryotic and eukaryotic cells and learn about the specialized structures in a cell and what their functions are. They will also learn...
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.
CK-12 Foundation
Ck 12: Meiosis
[Free Registration/Login may be required to access all resource tools.] How do you make a cell with half the DNA? Meiosis. This activity outlines the phases of meiosis, provides an overview of sexual reproduction, and describe how...
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.
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
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.
Other
E Cycle Best: Life & Death After Usage
Follow the route of a cell phone from the beginning to the end 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.
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.
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.
Estrella Mountain Community College
Estrella Mountain: Cellular Metabolism & Fermentation
This online biology book offers a comprehensive overview of cellular metabolism and fermentation. Content includes a look at glycolysis, anaerobic pathways, and aerobic respiration.
BioEd Online
Bio Ed Online: The Science of Microbes: Making Copies of an Hiv Particle
Learners 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 PowerPoint...
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]
CK-12 Foundation
Ck 12: Biology: Cellular Respiration Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on cellular respiration.
BiologyWise
Biology Wise: Spirogyra Facts
Provides information about Spirogyra, a type of algae. Discusses characteristics, classification, cell structure, method of reproduction, and life cycle.