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- Substrate cycling does not violate the laws of thermodynamics in making both directions of a reaction favorable (i,e Step 3 glycolysis). How is this so? ExplainWhat reactions of respiration are considered the tricarboxylic acid cycle? Select one or more: a. Ethanol Fermentation b. Lactate Fermentation c. Citric Acid Cycle d. Pyruvate Prep e. Electron Transport System f. GlycolysisFermentation can most accurately be described by which of these? a) The reoxidation of NADH by an electron transport chain. b) A process that occurs in the absence of oxygen. c) An energy producing process found in all anaerobes. d) The direct reoxidation of NADH by an internal organic molecule. e) The use of a terminal electron acceptor other than oxygen.
- Fermentations yield only a fraction of the energy available from the complete combustion of glucose. Why is a relatively inefficient metabolic pathway so extensively used?In aerobic oxidation, oxygen is the ultimate oxidizing agent(electron acceptor). Name two common oxidizing agents inanaerobic fermentation.2. Dehydrogenase reactions in TCA cycle.
- What coenzymes are required for the ββ-oxidation pathway? A) NAD+ and FAD only B) NAD+ and CoASH only C) CoASH only D) FAD and CoASH only E) FAD, NAD+, and CoASHChoose the correct answer from the options in brackets. The [positive/negative] standard free‑energy change favors the oxidation of succinate by covalently‑bound FAD. This is consistent with K′eq [ >1 / =1 / <1 ]. Oxidation by NAD+ would require a large, [positive/negative] standard free‑energy change, with K′eq favoring the synthesis of succinate.which of the following glycolytic reactions is an oxidation? a) G3P to 1,3-BPG b) PEP to Pyr c) lactic acid fermentation under anaerobic conditions d) condensation of acetate with OAA e) succinate decarboxylase reaction
- which of the following functions matches with the coenzyme functions: a.) facilitate redox reaction in the anabolic pathway b.) carry acyl group via a thioester bond c.) facilitate redox reaction involving C=O in the catabolic pathway d.) facilitate redox reaction involving C=C CoEnzymes to pair the functions from: NAD+ FAD NADP+ Coenzyme AIf radio-labeled C-2 of glucose is used for glycolysis and alcoholic fermentation, which carbon in the final product(s) is labeled? Please write all steps of glycolysis and alcoholic fermentation, and explain the trace of the radio-labeled carbon in all the key steps (i.e. which carbon is labeled in FBP, DHAP/GAP, and pyruvate).Can someone help with this question? L-Malate + NAD⁺ ← → Oxaloacetate + NADH Above is what i selected for the equation, but I don't know how to find ΔE'৹.