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1. To what molecule is the acetyl group of acetyl CoA transferred in the first step of the citric acid cycle? 2. When amino acids undergo degradation in the liver, what is the first step of the process? 3. What is the location in the mitochondrion of the protein complexes responsible for oxidative phosphorylation? 4. Cytochromes are ___________________ and are located ____________________________. 5. Which of the following compounds inhibits the pyruvate dehydrogenase complex? Acetyl CoA ADP GTP NAD+ FAD 6. The oxidative reactions of metabolism provide for most ATP production. In what specific part of the cell do these reactions occur? (Points : 1) Nucleus Ribosome Mitochondria Mitochondrial membrane None of the above 7. Which of the following substances serves as an intermediate through which all cellular energy sources are interconvertible? (Points : 1) Acetyl CoA Glucose ATP Pyruvate Citrate 8. What is the terminal electron acceptor in aerobic organisms? Cyanide NAD+ FAD Oxygen Carbon dioxide 9. What is another name for the F0F1 complex involved in oxidative phosphorylation? NADH Mitochondria Cristae Transport proteins ATP synthase 10. How many molecules of FADH2 are produced by the complete oxidation of one acetyl group by the citric acid cycle? 1 2 4 6 12 11. In addition to carbon dioxide, ATP and water, what other reactant is involved in the first step of the urea cycle? Urea Citrulline NAD+ NH4+ Pi 12. Cells in fast twitch muscle fibers contain more mitochondria than do cells in slow twitch fibers. False 13. What compound, in addition to glutamate, is produced in the transamination reaction in which alanine and a-ketoglutarate react? Acetyl CoA Lactate Glycerol Oxaloacetate Pyruvate 14. In the first stage of amino acid degradation, the carboxylate group is removed as carbon dioxide. True False 15. The enzyme succinate dehydrogenase catalyzes the oxidation of succinate. What is the product of this reaction? Oxaloacetate Citrate Fumerate Malate None of the above 16. What key role does the urea cycle play in the degradation of amino acids? Remove ammonium ions from blood Remove ammonia molecules from blood Remove carbon monoxide from the blood Remove glucose from the blood None of the above 17. In acetyl coenzyme A, the atom to which the acetyl group derived from pyruvate is bonded is: N Co Cl S P 18. What word is used to describe a pathway that functions in both degradative and biosynthetic reactions? Catabolic Anabolic Metabolic Amphibolic Diabolic 19. A deficiency of urea cycle enzymes causes an elevation of the ammonium ion concentration. ) True False 20. How many cycles of the citric acid cycle are required to completely oxidize all the pyruvate formed when a molecule of glucose undergoes glycolysis? 2 3 4 5
you will be using 1.4 grams of salicylic acid to make aspirin. salicylic acid is the limiting reagent and one mole of
what an alkane with molecular formula C8H18 gives a single product of monohalogenation?
Ni(s) +4CO(g) Ni(CO)4(g) Given that the standard free energies of formation of CO9g) and Ni(CO)4 are -137.3 kj/mol and -587.4 Kj/mol, respectively, calculate the equilibrium constant of the reaction at 80C. Assume that DeltaGf is temperature ind..
How do you predict the formulas for ionic compounds using the electron dot structures?
Consider the change in entropy change that occurs when a box of coins that contains a perfectly ordered array of three moles of coins is shaken. Calculate the entropy of the ordered coins, and then calculate the entropy after the box has been shak..
The same organism can grow on a medium lacking all three amino acids. Explain these observation(Biochemistry expalanation and detailed)
traditionally foreign direct investments fdi has followed foreign trade since foreign trade is typically less costly
Calculate the mass of aluminum deposited on the purified aluminum metal by the application of a current of 1.225 kiloamperes for 30 minutes from a very large quantity of a solution containing Al3+ ion in the Al2O3/Na3AlF6 molten state.
How many moles of iron atoms are in 2.28 mol of Fe2O3?
Consider 3 amino acids A, B, and C. How many trimeric isomers would be formed. Show them.
the solubility of o2g in water is 4.43 mg o2100 g h20 at 20 degree celsius when the gas pressure is maintained at 1
Which equation gives a lower pressure. Why. What is the percentage difference of the van der Waals equation result from the ideal-gas equation result
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