english: So again, we think bacteria invented that, and you've just evolved a few more bells and whistles, but all of the ideas are in these simple systems that we can study.
non_english: Menimo, da so tak način iznašle bakterije. Človeško telo je sicer razvilo nekoliko bolj zapletene celice, a enak princip se vrši v teh preprostih sistemih, ki jih preučujemo.