by msander | Jun 4, 2019 | Gr 9-10 Science, Gr. 11-12 Biology
This is a great source of mitosis pictures and explanation of imaging techniques! Source: imsc-visual-essay Thanks for the submission Natalia!
by msander | Jan 11, 2018 | Gr 9-10 Science, Gr. 11-12 Biology
Introduction One of the basic tenets of cell theory is that “all cells only arise from pre-existing cells.” In fact, new cells are formed by the process of cell division, which gives two genetically identical daughter cells. This activity provides detailed...
by msander | Nov 22, 2017 | Gr 9-10 Science, Gr. 11-12 Biology
Every day in an adult human roughly 50-70 billion of your cells die. They may be damaged, stressed, or just plain old – this is normal, in fact it’s called programmed cell death. To make up for that loss, right now, inside your body, billions of cells are...
by msander | Apr 23, 2017 | Gr 9-10 Science, Gr. 11-12 Biology
The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end up with a genetic disorder while the other twin does not? Robin Ball...
by cbrookallred | Apr 23, 2017 | Gr 9-10 Science
This demonstration is a great way for students to model the stages of mitosis. Images of the different stages in textbooks are static snapshots and many students have difficulty grasping the idea that mitosis happens as part of a continuous cycle. What happens?...
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