Khan Academy
Khan Academy: Cell Cycle Regulators
This article looks at a few of the most important core cell cycle regulators: proteins called cyclins, enzymes called Cdks, and an enzyme complex called the APC/C.
Khan Academy
Khan Academy: Cell Cycle Regulation
Test your knowledge on methods of cell cycle regulation on this website!
Khan Academy
Khan Academy: Cancer and the Cell Cycle
Article takes a look at how cancer develops and what's wrong with cancer cells. Also, delves into how abnormal forms of cell cycle regulators can contribute to cancer.
McGraw Hill
Glencoe Biology: Cell Cycle Regulation: Self Check Quiz
Try these five multiple-choice questions about cell cycle regulation. After submitting answers, students can review the material.
Khan Academy
Khan Academy: Cell Cycle Checkpoints
Learn how cells use checkpoints to regulate the cell cycle. This article provides an overview of cell cycle control, outlining the factors that influence a cell's decision to pause or progress at each checkpoint.
Howard Hughes Medical Institute
Hhmi: Biointeractive: The Eukaryotic Cell Cycle and Cancer
Cell division is the only way single-celled organisms can reproduce. Learn more about cell division and explore the phases, checkpoints, and protein regulators of the cell cycle in this interactive. Find out how mutated versions of these...
Khan Academy
Khan Academy: Regulation of Cellular Respiration
This article investigates how cellular respiration can be sped up or slowed down in response to ATP levels and other metabolic signals.
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.