Cellular respiration .. Word Find During glycolysis, glucose is broken down to what 3 ? Carbon compound? __ __ __ __ __ __ __ __ __ __ __ During the electron transport chain, what is pumped from the matrix across the cristae into the intermembrane space? __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ This molecule is the primary fuel for cellular respiration. __ __ __ __ __ __ __ This type of respiration can only occur in the presence of oxygen. __ __ __ __ __ __ __ The Krebs?s cycle occurs in this part of the mitochondria. __ __ __ __ __ __ This molecule serves as a source of immediate energy for cellular processes that require energy. __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __