Continue your comparison of electron transport chain (ETC) and chemiosmosis in mitochondria and chloroplasts. In each case, a) where do the electrons come from (1 point)? b) how do the electrons get their high potential energy (1 point)? c) what picks up the electrons at the end of the chain (1 point)? d) how is the energy released as electrons are transferred down the ETC used (1 point)?