Working at cross-purposes? Gluconeogenesis takes place during intense exercise, which seems counterintuitive. Why would an organism synthesize glucose and at the same time use glucose to generate energy?
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Working at cross-purposes? Gluconeogenesis takes place during intense exercise, which seems counterintuitive. Why would an organism synthesize glucose and at the same time use glucose to generate energy?
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- Why bother to eat? What are the three primary uses for cellular energy?How Is Metabolism Regulated? (Integrates with Chapter 15.) Metabolic regulation is achieved via regulating enzyme activity in three prominent ways: allosteric regulation, covalent modification, and enzyme synthesis and degradation. Which of the.se three modes of regulation is likely to be the quickest; which the .slowest? For each of these general enzyme regulatory mechanisms, cite conditions in which cells might employ that mode in preference to either of the other two.Pls help ASAP, thank you! "Match the gluconeogenic precursor to the type of reaction(s) that bring it to gluconeogenesis as pyruvate" (answer choices for all drop down menus are: "alanine", "lactate", "glycerol", and "glutamine")
- ATP yield. Each of the following molecules is processed by glycolysis to lactate. How much ATP is generated from each molecule?9Calculate the total amount of ATP that is produced by the complete oxidation of a 20 carbon even-chain saturated fatty acid. Include the number of each cycle required, describe each stage involved, and list the number of ATP that correspond with each stage.Efficiency of ATP Production in Muscle: The transformation of glucose to lactate in myocytes releases only about 7% of the free energy released when glucose is completely oxidized to CO2 and H2O. Does this mean that anaerobic glycolysis in muscle is a wasteful use of glucose? Explain.
- Pls help ASAP, thank you! "Regulation of metabolic pathways most typically occurs at enzyme steps that are"Synthetic stoichiometries. What is the stoichiometry of the synthesis of... (a) ribose 5-phosphate from glucose 6- phosphate without the concomitant generation of NADPH? (b) NADPH from glucose 6-phosphate without the concomitant formation of pentose sugars?Critically discuss the importance of the TCA cycle in carbohydrate metabolism. In your answer ensure you list the key reactions, clearly highlighting the metabolic intermediates, enzymes, enzyme complexes and hormones involved in the pathway and most importantly, how all of these intermediates are involved in the regulation of the pathway? Also emphasise how these intermediates themselves are regulated?
- Chapter : Lipid Metabolism"It has been proposed that malonyl CoA may be one of the signals sent to the brain to decrease the appetite response. When mice are given a derivative of cerulenin (a fungal epoxide) named C75, their appetite is suppressed and they rapidly lose weight. Cerulenin and its derivatives have been shown to be potent inhibitors of fatty acid synthase (FAS). Suggest how C75 might act as a potential weight reduction drug"Thanks. Please write the answers clearly.kcat = ? an enzyme has an aspartic acid in the active site with a pKa = 4.0 and the kcat for this enzyme is directly proportional to the fraction of this side chain that is ionized. If the kcat at pH = 4.0 is 52.9x103 s-1 what is the kcat for this enzymes at pH 3.5BioKemi!! Make a theoretical calculation of how many ATP molecule of acetyl-CoA to Carbon dioxide and water if the entire proton gradient across the mitochondrias inner membrane can be used for ATP production and when the ATP synthase has 15 c-subunits? All steps in the calculations must be reported Hand written solution otherwise down vote
