博文
The stage of mitosis
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This is a wonderful animation to show how cell mitosis works.
First, you push through various cells to enter one of them. You see those large silver worm-like objects, which are mitochondrions.They are power plants of a cell.Later you will see a purple multi-folding monster, which is a golgi complex, which is a cargo-ship to transfer nutritions and proteins to and fro inside the cell.
Then you enter the cell nucleus and see those purple DNA stuffs in the stage of messy chromatins. They copied themselves and self-organized to flower-like structures. Two golden objects are two centrosomes. They saparate from each other, and form long microtubules (those long lines), which gradually attached themselves to the middle point of each pair of chromosomes.
Finally they pull apart and separate into two parts. So do the rest of cell organelles. Two daughter cells are born at last.
This is a real nano-machine which works in an amazing way. :-)
https://blog.sciencenet.cn/blog-3468-50448.html
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