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- Multiple Matching. Match the process a, b, or c with the metabolicevents in the list.a. glycolysisb. Krebs cyclec. electron transport/oxidative phosphorylation__________H+ and e− are delivered to O2 as the final acceptor.__________Pyruvic acid is formed.__________ATP is formed.__________H2O is produced.__________CO2 is formed.__________Fructose diphosphate is split into two 3-carbon fragments.__________NADH is oxidized.__________ATP synthase is active.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! "Regulation of metabolic pathways most typically occurs at enzyme steps that are"
- A violation of the First Law? The complete combustion of glucose to CO 2 and H 2 O yields 30 ATP, as shown in Table 18.4 . However, the synthesis of glucose requires only 18 ATP. How is it possible that glucose synthesis from CO 2 and H 2 O requires only 18 ATP , but combustion to CO 2 and H 2 O yields 30 ATP? Is it a violation of the First Law of Thermodynamics , or perhaps a miracle?(Biochemsitry, Topics: Glycolysis and Citric Acid Cycle) - How many ATP are formed from the complete oxidation of fructose in the liver?1. Oxidative phosphorylation and synthesis of ATP in mitochondria: • ways of ATP formation in cells - substrate and oxidative phosphorylation; • conjugation of respiration and oxidative phosphorylation; • sites of ATP formation in the respiratory chain; • oxidative phosphorylation coefficient, its value in the oxidation of various substrates in mitochondria; • conjugation points of electron transport and oxidative phosphorylation. 2. Chemiosmotic theory of oxidative phosphorylation, its uniqueness and common principles of energy generation in different living systems. 3. Structural and functional prerequisites for the effective conjugation of electron transport in the respiratory chain and ATP synthesis: • specific asymmetric localization of components of the electron transport chain in the inner membrane of mitochondria; • integrity of mitochondrial membranes; • generation of electrochemical gradient of protons on the membrane; • action of proton pumps of the respiratory circuit; •…
- Oxidation--define, why exergonic Reduction--define, why endergonic What are the Redox reactions in e- transport chains ATP--energy currency of all cells Structure, where energy is stored, type of energy stored Coupled reactions--significance Phosphorylation--endergonic or exergonic? Persistence of ATPBIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : In the final step of glycolysis, identify the name of the enzyme that converts phosphoenolpyruvate into pyruvate A. Phosphofructokinase-1 B. hexokinase C. aldolase D. pyruvate kinaseAdditional information: ATP production by the ETC and ATP Synthase per glucose varies somewhat depending on the energy required to move NADH into the mitochondria and other energy uses for the hydrogen-ion gradient. Additional questions: 1.) How many ATP's are generally yielded by oxidative phosphorylation from the catabolism of one glucose? 2.) Summarize the total ATP's obtained from a single molecule of glucose, from start to finish? asap
- Biochemists working with isolated mitochondria recognize five energy“states” of mitochondria, depending on the presence or absence of essential substrates for respiration—O2, ADP, oxidizable substrates, and so forth. The characteristics of each state are:state 1: mitochondria alone (in buffer containing Pi)state 2: mitochondria + substrate, but respiration low due to lack of ADPstate 3: mitochondria + substrate + limited amount of ADP, allowingrapid respirationstate 4: mitochondria + substrate, but all ADP converted to ATP, sorespiration slowsstate 5: mitochondria + substrate + ADP, but all O2 used up (anoxia),so respiration stops(a) On the graph, identify the state that might predominate in each stage of the trace indicated with a letter. (b) To determine whether isolated mitochondria exhibit respiratory control,one determines the ratio of rates of oxygen uptake in two different states.Which states?(c) Which state probably predominates in vivo in skeletal muscle fatiguedfrom a long…catabolic pathway - draw the complete electron transport chain for myristateWhy bother to eat? What are the three primary uses for cellular energy?