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ihaveredhaironmyhead OP t1_j3ixzo3 wrote

Reply to comment by Foxs-In-A-Trenchcoat in How does the spindle apparatus know what to do during cell division? by ihaveredhaironmyhead

This is remarkable to me. I don't know why this isn't talked about more. Every inch of us is composed of cells - yet the function of these cells (you could almost say the function of "you") is entirely a chemical process based on random interactions. The spindle emerging and grabbing hold of chromosomes and arranging them in the middle and splitting them into different sides - this intelligent looking process is fundamentally the same as pouring oil into water. Do I have that right?

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Foxs-In-A-Trenchcoat t1_j3j17c9 wrote

Yes. The laws of physics are always working on the larger scale and the smaller scale. There's a lot of reasons why a car works, internal combustion engine, friction of the tires, blah blah blah, but ultimately it's fundamental physics.

Physical chemistry is the hardest undergraduate level class. There's a lot more to it than oil and water. But oil and water is the reason cell membranes exist.

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