A 25 years old female with chronic fatigue was diagnosed with iron deficiency anemia and low blood count. What is the cause of her fatigue?
Correct answer: C. iron is important for electron transport chain
- A. Reduction in amount of Fe-S centers
- B. Lowered production of water from the electron transport chain that cause dehydration
- C. iron is important for electron transport chain
- D. Iron is important for NADH production
Explanation
Iron and copper are essential nutrients for all living organisms as cofactors of many enzymes and play important roles in electron transport system (ETS) enzymes which have heme and iron-sulfur centers.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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