How do cells determine what size to grow to before dividing?
In: Biology
It’s not necessarily about how big they grow. Cell division is regulated by proteins called cyclins, and so whenever a cell is triggered by those proteins, it will begin to divide. Then, when it’s divided enough (such as, it starts running into other cells) it’s triggered to stop. If something goes wrong during that process, that’s how you get cancer (cells dividing uncontrollably and not listening to the signals that tell them to stop).
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