The Cell Cycle, Cellular Growth, and Cancer Topics in Depth
A Cell's Life
A glimpse inside our bodies would reveal a wide variety of cells, which we refer to as our somatic cells, at different stages of their life cycles. Some, like neurons in your brain, are thought to...
Mitosis Vs. Meiosis
We have mentioned two types of nuclear division: mitosis, where the nucleus divides into two identical nuclei, and meiosis, which results in the production of four nuclei with half the original num...
The Nitty Gritty of Cell Division
We have mostly talked about the celebrities of division, the chromosomes. But it turns out that chromosomes are not any different from puppets on a string. Without the string the puppets can't move...
Mitosis
Meiosis
Common Mistakes
Cell's LifeThe G in G1 and G2 stands for gap, but it is also useful to think of it as G for growth, since these gap periods are where the cell grows, replicates its organelles and makes the protein...
Test Your Knowledge
Cell's Life QuestionsA cell has one chromosome going into S phase. How many chromosomes does it have in G1? In G2? Cytokinesis refers to which division, nuclear or cytoplasmic? ...
Made From Trees
Offline ResourcesWhat is Life? A Guide to Biology by Jay Phelan (W.H. Freeman and Company, 2009).Cell Biology: A Short Course by Steven R. Bolsover (Wiley-Liss, 2003). Also viewable online through...