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- Arrange the balanced biochemical equations for all the reactions in the catabolism of glucose to two molecules of glyceraldehyde 3-phosphate (the preparatory phase of glycolysis). First step Last step Answer Bank Fructose 1,6-bisphosphate - dihydroxyacetone phosphate + glyceraldehyde 3-phosphate Fructose 6-phosphate + ATP →→→→ fructose 1,6-bisphosphate + ADP Glucose + ATP → glucose 6-phosphate + ADP Dihydroxyacetone phosphate glyceraldehyde 3-phosphate Glucose 6-phosphate →→→→ fructose 6-phosphatePage of 6 ZOOM + name: 3. In the last reaction of the citric acid cycle, malate is dehydrogenated to regenerate the oxaloacetate necessary for the entry of acetyl-CoA into the cycle: L-Malate + NAD+ → oxaloacetate + NADH + H* AG'° = 30.0 kJ/mol (a) Calculate the equilibrium constant for this reaction at 25 °C. (b) Because AG°' assumes a standard pH of 7, the equilibrium constant calculated in (a) corresponds to [oxaloacetate][NADH] Keq [L-malate][NAD*] The measured concentration of L-malate in rat liver mitochondria is about 0.20 mM when [NAD*]/[NADH] is 10. Calculate the concentration of oxaloacetate at pH 7 in these mitochondria. (c) To appreciate the magnitude of the mitochondrial oxaloacetate concentration, calculate the number of oxaloacetate molecules in a single rat liver mitochondrion. Assume the mitochondrion is a sphere of diameter 2.0 microns.U Select all of the following half reactions that require energy (work) to proceed as written. NAD+ + 2HNADH + H+ glucose + inorganic phosphate glucose-6-phosphate + H₂O › DETAILS O=d-0 OH NADH+H NAD+ + 2H OH o-p-o-C-CH3 + H2O -0-8-CH3 PREVIOUS ANSWERS ATP+ H₂O ADP + P₁ H قمر H (not balanced) (not balanced) O 0-4-OH + HO-CH₂ 0 x
- Show summary computation in a table Net ATP yield for complete oxidation of 1 mol of mannose to CO2 and H2O (using both Malate-Aspartate and Glycerol-3-Phosphate Shuttles)AG" = -69.5 kJ · mol- The percent efficiency of oxidative phosphorylation is 35%. Calculate the number of ATP generated by Complex I. Use 1 significant figure. The amount of ATP generated by Complex I is mol ATP. The equation for the overall reaction that occurs in Complex I is shown as: NADH + H+ + Q = NAD+ + QH2 Please explain! Thank you so much..Write balanced biochemical equations for all the reactions in the catabolism of glucose to two molecules of pyruvate (the preparatory & payoff phase of glycolysis), including the standard free-energy change ΔG for each reaction. Then write the overall or net equation of glycolysis, with the net standard free-energy change when one molecule of glucose is converted into 2 molecules of pyruvate.
- X INCORRECT; see section 13.1 Enzymes occasionally display weak "“side" activities. Draw the structure of the product (other than ADP) of the reaction that results when pyruvate kinase, operating in reverse, uses lactate as a substrate. For your structure: 1. Do not include primary or secondary hydrogens. CH2 HO OH Edit DrawingThe glyceraldehyde-3-phosphate dehydrogenase reaction of glycolysis, (glyceraldehyde-3- phosphate → 1,3 bisphosphoglycerate) (Choose all that apply) O conserves energy by transfer of a proton H* to NAD+ forming NADH O has a high energy thioester intermediate on the enzyme/substrate complex O mechanistically uses covalent catalysis O conserves energy in the formation of a oxygen phosphoric ester O conserves energy in the formation of a carboxylic-phosphoric mixed anhydride O mechanistically requires the coenzyme thiamine pyrophosphate (TPP) to act as an electron sinkIn working skeletal muscle under anaerobic conditions, glyceraldehyde 3-phosphate is converted to pyruvate (the payoff phase of glycolysis), and the pyruvate is reduced to lactate. Write balanced biochemical equations for all the reactions in this process, with the standard free-energy change for eachreaction. Then write the overall or net equation for the payoff phase of glycolysis (with lactate as the end product), including the net standard free-energy change.
- Consider decosanoic acid C12H43CO2H SUB PART TO BE SOLVED How many cycles of beta-oxidation are needed for complete oxidation? How many molecules of ATP are formed from the complete catabolism of this fatty acid? Show the complete computation. How many moles of ATP per gram of fatty acid is formed from the complete catabolism of the given fatty acid? What is the molar mass of the given fatty acid? Solution: Show here the complete computations, [from 1 to 4]What is the catalytic efficiency of Catalase ? Table. The values of KM and kcat for some Enzymes and Substrates Enzyme Carbonic anhydrase Substrate CO2 HCO3 KM (M) 1.2 x 10-2 2.6 x 10-2 Kcat (s-1) 1.0 x 106 4.0 x 105 Catalase H2O2 2.5 x 10-2 1.0 x 107 Urease Urea 2.5 x 10-2 4.0 x 105 O A. 4 x 108 M-s-1 O B. 4 x 108 M-1.s-1 OC25x 10-9 M-s1 D. 2.5 x 102 M-1.s-1 OE 1.0 x 107 s1Given what you know about the involvement of nicotinamide nucleotides inoxidative and reductive metabolic reactions, predict whether the followingintracellular concentration ratios should be 1, > 1, or < 1. Explain youranswers.(a) [NAD+] >[NADH](b) [NADP+] >[NADPH](c) Since NAD+ and NADP+ are essentially equivalent in their tendency to attract electrons, discuss how the two concentration ratios might bemaintained inside cells at greatly differing values.