BIOL 101 Lecture Notes - Cellular Respiration, Catabolism, Atp Synthase
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1.Oxygen that is consumed during cellular respiration is returned to the environment once it has been combined with which of the following substances?
ATP or inorganic phosphates | |
elemental carbon | |
nitrates or sulfates | |
glucose or nitrogen | |
carbon or hydrogen |
2.Redox reactions involving Fe2+ and Fe3+ occur during aerobic cellular respiration. Where do these reactions take place?
Krebs cycle | |
glycolysis | |
the electron transport chain | |
the outer mitochondrial membrane | |
the cell membrane |
3.The alternate fates of pyruvate in various organisms is primarily due to
optimizing the concentration of important biochemical intermediates | |
regenerating NAD+ for further reduction in the cytoplasm | |
maximizing ATP production in the mitochondrion | |
maximizing electron flow through the electron transport chain | |
none of the above |