Have you heard of the term "mitosis"? I am sure you have heard it in your science class at some point. It is basically the reproduction of themselves; it happens in eukaryotic cells. They have a lot of DNA molecules, as you know, that control different parts of the cell. There is actually a cycle that it goes through. There are 5 phases.
First the DNA molecules build identical copies from the proteins inside the nucleus. Each DNA molecule that is older stays attached to its copy in the middle, making a lot of X-shaped DNA molecules, where one side of the X is a mirror image of the other side so the copies do not get mixed-up.
First the DNA molecules build identical copies from the proteins inside the nucleus. Each DNA molecule that is older stays attached to its copy in the middle, making a lot of X-shaped DNA molecules, where one side of the X is a mirror image of the other side so the copies do not get mixed-up.
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