Cytochromes contain a heme group similar to that in hemoglobin. The iron atom (Fe) in the center of the group can be oxidized and reduced. If someone was suffering from iron deficiency anemia, what stage of cellular respiration would be most affected?


You are watching: In aerobic respiration, chemiosmotic generation of atp is driven by:

The energy released in the mitochondrial electron transport chain is used to transport protons where?
What is different about the way that NADH and FADH2 donate electrons to the electron transport chain?
NADH contributes its electrons to the first transmembrane complex in the electron transport chain and FADH2 contributes its electrons after the first transmembrane complex.
As electrons move along the electron transport chain, they lose potential energy. How is the energy that is released used by the cell?
As a forensic pathologist, you have just completed an autopsy of a poisoning victim. After a thorough examination, you conclude that the victim died of cyanide poisoning. You know that cyanide binds to the cytochrome oxidase complex, and therefore list the official cause of death as suffocation due to cyanide exposure. However, if you wanted to provide a more technical explanation as to the cause of death, what process was specifically inhibited directly by cyanide?
If ATP synthase had a mutation in the F1 complex portion of the protein, what function of ATP synthase would most likely be affected?
Dicyclohexylcarbodiimide (DCCD) is a chemical that disrupts the function of ATP synthase. Why will treatment with DCCD cause a cell to die?
Your friend is having difficulty keeping track of the energy flow from glucose through glycolysis, the Krebs cycle and electron transport. Your best advice would be to:
What would be the ATP yield for a molecule that is catabolized to form one molecule of pyruvate in a eukaryotic cell?
If you take into account the amount of ATP generated by ATP synthase per molecule of NADH produced in aerobic respiration, the net number of ATP molecules produced by substrate-level phosphorylation, and the fact that NADH molecules produced in the cytoplasm have to be transported into the mitochondria, what is the predicted energy yield of glycolysis in eukaryotic cells?
If you take into account the amount of ATP generated by ATP synthase per molecule of NADH and per molecule of FADH2 produced, and the number of ATP molecules produced by substrate-level phosphorylation, what is the predicted energy yield of the Krebs cycle, per molecule of glucose in eukaryotic cells?
You discover a new organism while on vacation in Yellowstone Park. You use a series of experiments to establish that it carries out aerobic respiration, but find that it has a unique ATP synthase that requires 16 protons per rotation. What does this tell you about the P/O ratio in this organism?

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