However, every "leap" of evolution, from proto-cells forming in a 'soup' that would be immediately poisonous to them, to each and every microorganizm from the mitochondria to the flagellum, is basically impossible.
Actually, according to Science...Weekly? Or some other scientific journal that's updated a lot, including my Genetics text book last year, scientists have recently been able to link a possible chain from simple atoms -> us. They're proven it's possible.