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Khan Academy
Learn about cell cycle checkpoints and their role in regulating the cell cycle.
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Regulation of cell cycle - Khan Academy
In the first phase of an adenovirus infection, the host cell expresses several viral proteins. One of these proteins, E1B-55k, inhibits the activity of the host protein p53, a tumor suppressor that …
Unit 3: The cell cycle and differentiation - Khan Academy
We’ll delve into mitosis to understand cell division, then examine how the cell cycle is regulated and how disruptions can lead to cancer. We’ll journey through the stages of fertilization, cell …
Khan Academy
Learn about cell cycle regulation, its importance in cellular processes, and how it relates to stem cells and cancer.
Regulation of Krebs-TCA cycle (video) | Khan Academy
Acetyl-CoA enters the cycle, undergoes oxidations, and exits as carbon dioxide, producing FADH2 and NADH. This cycle is regulated through allosteric regulation and substrate …
Cell communication and cell cycle - Khan Academy
Prepare to dive deep into the inner workings of cells! In this unit, you'll learn about how cells communicate with one another, how cells divide, and how problems can arise when these …
Signal transduction pathway | Cell signaling (article) | Khan Academy
Learn how signals are relayed inside a cell starting from the cell membrane receptor. The chains of molecules that relay intracellular signals are known as intracellular signal transduction …
Loss of cell cycle control in cancer (video) | Khan Academy
Proteins like p53 and RB play a crucial role in regulating the cell cycle. These proteins, known as tumor suppressor genes, prevent uncontrolled cell division, potentially leading to cancer. The …