NADH pills can be purchased over the counter and are often taken by sufferers of chronic fatigue syndrome (CFS). How might these pills benefit a CFS patient? They would decrease the rate of alcoholic fermentation. They would decrease the rate of glycolysis. They would increase the number of electrons provided to the electron transport chain. They would increase energy by creating more FADH2.
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- Cyanide poisoning inhibits aerobic respiration at cytochrome c oxidase. Which of the following is NOT a result of cyanide poisoning at the cellular level? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d e Oxygen is reduced to water The rate of glycolysis increases Cells are forced to switch to anaerobic respiration The electron transport chain is not completed None of the above Answered K Open in Reading View ✔PosubmitWhich of the following statements is right: Reduced NAD from Beta-oxidation is used to produce ATP in: 1. Electron Chain Transport and oxidizing phosphate binding 2. Glycolysis and oxidizing phosphate binding 3. Transamination 4. Citric Acid Cycle and oxidizing phospahe binding 5. None above are rightHow much fat (in grams) would the body have to burn to produce the daily minimum requirement of 40 kg ATP from ADP and phosphate? Assume that: 1. The fat is metabolized completely to water and carbon dioxide. 2. The energy that is released can be used entirely for ATP production. 3. Complete oxidation of 1 g of fat to water and CO2 releases 9 kcal or 37 kJ. 4. The Delta G for ATP hydrolysis is -30.5 kJ/mol. You will have to look up one more value online to answer this question, but you do not need to know anything about lipid metabolism. A) approx. 16 to 17 g of fat B) approx. 65 to 66 g of fat C) approx 22 to 23 kg of fat D) approx. 267 to 268 g of fat E) approx. 5 to 6 kg of fat
- When muscles contract, a chain of events result in greater activity by the TCA cycle. All of the following are links in that chain EXCEPT: The ADP concentration increases. Rate of respiration and oxygen consumption increases. The electron transport chain produces more water. The concentration of NADH decreases and the concentration of NAD+ increases. 2) (True or False )______The concentration of oxaloacetate drops and TCA cycle is halted which leads to the synthesis of ketone bodies. 3) NADPH is used for: a) Oxidizing vitamin E b) Oxidizing glutathione c) Reductive biosynthesis of fatty acids d) β-oxidation of fatty acidsThe image below shows part of a key catabolic pathway. If an individual had a deficiency for the enzyme required at point "X", would they still be able to produce a high rate of ATP during very strenuous exercise? ATP in Glucose Prep. phase Payoff phase ļ - MacRoc Pyruvate →→→ Anaerobic fate of pyruvate ATP out ▬OD OF 1- HP 01 -- Select one: O a. No, because NAD* will not be regenerated by lactate dehydrogenase. The reduction of NAD+ to NADH is a required step during the payoff phase of glycolysis. O b. No, because lactate dehydrogenase is required for the continued recycling of NAD+ to NADH, thus allowing glycolysis to continue. Oc. Yes, because pyruvate dehydrogenase is necessary to produce acetyl-CoA, which under these conditions will feed into the citric acid cycle. Od. Yes, because this enzyme is responsible for the substrate-level phosphorylation necessary to maintain the ATP input for the preparatory phase of glycolysis. DE Report question issue Notes + 14:12 ( CEShown in the figure, is a portion of the electron transport chain pathway, in which electrons are transferred from NADH to O2, the energy of this reaction is coupled to the pumping of H+. Drug X can pick up electrons from specific intermediates as shown in the figure. You treat cells carrying out respiration with a saturating dose of drug X, so that all the electrons which would normally continue in the pathway are captured by drug X. What would you expect in these cells? Select all that apply. 4 Drug X e- A NADH + H+ Electron transport H₂O e- Proton pumping 0₂ NAD+ H* (space A) H* (space B) The cells continue to produce carbon dioxide The cells do not produce carbon dioxide Rate of ATP synthesis decreases compared to normal Rate of ATP synthesis increases compared to normal
- Electrons are continuously transferred from higher-energy carriers to lower-energy carriers in the electron transport chain, yet somehow iron is utilized as an electron carrier multiple times. Choose the most likely reason why this is possible. The pH of complex II is slightly higher than the pH of complex III. The reduction potential of flavin mononucleotide (FMN) in complex I is higher than the reduction potential of iron. The redox potential of iron ions can be manipulated by their environment. For instance, the iron in an iron-sulfur cluster will have a different redox potential than the iron in a heme group. The electrons carried by NADH are higher energy than the electrons carried by FADH2.Which of the following statements are true? Explain. I. ATP synthesis will cease to occur when the electron flow is blocked by cyanide. II. 2,4-DNP allows electron flow to continue in the ETC without the synthesis of ATP. III. -ΔG is the quantity that signifies that the reaction is SPONTANEOUS.NADH dehydrogenase 3 gene codes for a protein in the electron transport chain. Suppose that this protein is exposed to extremely high heat. What is likely to happen to this protein and why? (Be specific as to what will happen and why it will happen. Don't just say it will stop working; explain why.)
- Explain how NADH carry electrons by explaining what a hydride is. Which metabolites can potentially accumulate when complex I of the electron transport chain is defective? Do you think NAD therapy will help with hangovers? Explain.Energy is required to reverse the flow of the electron transport chain. Why would this be so?What essential compound is produced in the pentose phosphate pathway that is needed for synthesis as well as for defense against oxidative damages? NADH AMP ADP FADH2 NADH ATP