Mechanistically, why does the reaction PEP+ADP+H⁺ ⇌ Pyruvate + ATP release so much energy? a. PEP has a higher phosphoryl group transfer potential than ATP b. PEP is "stuck" in the unstable enol form c. all answers d. none of the above
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Mechanistically, why does the reaction PEP+ADP+H⁺ ⇌ Pyruvate + ATP release so much energy?
a. PEP has a higher phosphoryl group transfer potential than ATP
b. PEP is "stuck" in the unstable enol form
c. all answers
d. none of the above
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- GAP + Pi + NAD+ ⟹1,3-BPG + NADH (Reaction 1) 1,3-BPG + ADP ⟹ 3-PG + ATP (Reaction 2) Which of the following statements concerning the information above is true? Select all that apply. A.Reaction 2 is an example of substrate level phosphorylation B.These reactions are written in a direction that would indicate gluconeogenesis is occurring in the liver C.The linking of Reaction 1 and Reaction 2 by the intermediate 1,3-BPG is an example of coupling of reactions D.Reaction 1 shows a redox reaction where the carbon skeleton is oxidized to generate electrons for a soluble electron carrier E.These reactions are irreversible under cellular conditionsa.Write the balanced reactions catalyzed by complex I, II, III, and 1V, and using these, write the balanced net reaction for the electron transport chain. Structures are not necessary. b. Write the balanced reaction for the ATP synthase reaction. c. Write the net reaction for Oxidative phosphorylation showing the ATP produced from NADH oxidation and FADH2 oxidation. (this is in your text) d. Write the balanced reaction for ATP production by aerobic metabolism starting with glucose.Identify any coupled reactions and what processes are coupled together. a. oxidation/reduction reactions: determine what is being oxidized and what is being reduced. b. energy transfer: determine which is exergonic and which is endergonic Are there any coupled reactions. If so, which ones are coupled. In the oxidation reduction reactions identify what is being oxidized and what is being reduced. Which are exergonic and which is enderdorgonic
- Calculate for the following based on complete oxidation of 5 molecules of trisaccharide containing 2 hexoses and 1 triose. a. Total number of ATP produced= b. Total number of CO2 released= c. Total number of ATP from oxidative phosphorylation= d. Total number of ATP from NADH= e. Total number of ATP from substrate level of phosphorylation in Glycolysis=The AG of the reaction C6H12O6 + 60₂ --> 6CO₂ + 6H₂O is -686 kcal/mol glucose oxidized. The AG of the reaction ADP + P₁ --> ATP + H₂O is + 7.3 kcal/mol ATP synthesized. The oxidation of glucose can be coupled to the synthesis of ATP. If the coupling is 50% efficient, how many molecules of ATP can be synthesized per molecule of glucose oxidized? Round your answer to the nearest whole number.The formation of ATP by ATP Synthase is part of a coupled reaction, as discussed in class. Given the information below and using what you know about ATP Synthase and the proton motive force, calculate the overall AG and determine if the coupled reaction is favorable overall. Note that you do not need to worry about intermediates like we did for the class example. ADP + Pi → ATP has a AG = 7.3 kcal/mol 2 moles of protons traveling back down their gradient across the inner mitochondrial membrane has a AG = -10.28 kcal/mol %3D O a. Overall AG = -17.58 kcal/mol, favorable overall O b. Overall AG = -2.98 kcal/mol, favorable overall %3D O c. Overall AG = 2.98 kcal/mol, unfavorable overall O d. Overall AG = 17.58 kcal/mol, favorable overall
- The AG of the reaction C6H1206+602 --> 6 CO2 + 6H₂O is -686 kcal/mol glucose oxidized. The AG of the reaction ADP + P --> ATP + H₂O is + 7.3 kcal/mol ATP synthesized. The oxidation of glucose can be coupled to the synthesis of ATP. If the coupling is 50% efficient, how many molecules of ATP can be synthesized per molecule of glucose oxidized? Round your answer to the nearest whole number. Type your answer... rces K esc Q 7 c с 72 W #3 E 14 R LL Search or type URL % 65 T G A MacBook Pro 6 Y H & 7 U * 8 + - ( 9 J ၂ ။ K 0 ) 0 L P { + 11 } ] Submit delete returnConsider the following biochemical reaction. pyruvate + CoA-SH Acetyl-CoA + CO2 AG = -175 kJ Select all statements that are true for this reaction. a. This reaction absorbs energy ఉ డ Ob. This reaction must have a transition state Oc. This reaction is exergonic Od. This reaction is non-spontaneousa. Use the values in Problem 23.31 to calculate the energy change in the following reaction. fructose 1,6-bisphosphate + ADP--------> fructose 6-phosphate + ATP b. Is this reaction energetically favorable or unfavorable? c. Write this reaction using curved arrow symbolism. d. Can this reaction be used to synthesize ATP from ADP? Explain.
- Decylic acid is a saturated fatty acid that occurs naturally in coconut oil and palm kernel oil. Calculate the net ATP yield when decylic acid undergoes complete B oxidation. The formula of decylic acid is shown below: (Given: The oxidation of one NADH yields 2.5 ATP; the oxidation of one FADH2 yields 1.5 ATP; and the oxidation of one acetyl CoA yields 10 ATP.) O 50 ATP O 52 ATP 66 ATP OH O 64 ATPCyanide toxicity results from its ability to inhibit cytochrome oxidase c, part of the ETC of cell respiration. What effect(s) might you expect from cyanide poisoning? U a. Intracellular accumulation of NADH. Ob. Rapid depletion of oxygen. Increased amounts of oxidative phosphorylation. Od. Inhibition of PFK would occur. U e. Decreased production of ATPBriefly outline the electron flow in oxidative phosphorylation to describe how its function is directly coupled to ATP synthesis. Be sure to include where the electrons that feed into oxidative phosphorylation come from in your answer.