CK-12 Foundation
Ck 12: Life Science: 2.20 Cell Cycle
Understand the life cycle of a eukaryotic cell.
University of Maryland
University of Maryland: Mitosis Page
Read a brief introduction to mitosis, and then click on the 5 phases to read details and view photos of each in progress. Photo examples are excellent.
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...
Curated OER
Cell Biology: Online Onion Root Tips
Online mitosis activity offers the student the opportunity to identify, classify, calculate, and graph the phases of mitosis. Explanations of each phase, actual cells are displayed for classifing and gathering data in this comprehensive...
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.
ClassFlow
Class Flow: Mitosis
[Free Registration/Login Required] This flipchart discusses the stages of cell division and contains illustrations of the phases of the process. Assessment questions are included.
Other
I know.net: Mitosis
A complete site from iKnow.net that compares the various phases of mitosis in plant and animal cells. Text is supplemented with pictures of each phase.
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: 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...
BiologyWise
Biology Wise: Different Stages in the Process of Meiosis
Explains the two stages of meiosis and what happens in each of the phases within them.
BiologyWise
Biology Wise: A Step by Step Explanation of the Stages of Mitosis
The phases of mitosis are described and the splitting of a cell into two daughter cells at the end of it.