Carl Woese is BEST known for discovering that ________.

A) eukaryote membrane-bound organelles are descended from endosymbionts
B) the oldest fossils are 3.4 billion years old
C) prokaryotes comprise two very different branches: Bacteria and Archaea
D) energy acting on gases and water vapor will create a "primordial soup" of organic molecules
E) the last universal common ancestor (LUCA) did not have DNA-dependent RNA polymerase