in mitochondria, exergonic redox reactions

Does the formation of H20 release ATP as a by product that is then regenerated? D. Oxaloacetate will accumulate and citric acid will decrease. Furthermore, where did the hydrogen to build NADH come from? Click here for a diagram showing ATP production, http://www.dbriers.com/tutorials/2012/04/the-electron-transport-chain-simplified/. O b. Also Read: Amphibolic Pathway Oxidative Phosphorylation Steps The electrons flow through the electron transport chain, causing protons to be pumped from the matrix to the intermembrane space. The proton gradient is then used to convert the potential energy to chemical energy in the ATP synthase. Eventually, the electrons are passed to oxygen, which combines with protons to form water. Direct link to Satwik Pasani's post It is sort of like a pipe, Posted 5 years ago. I get that oxygen serves as an electron acceptor at the end of the electron transport chain, but why is having this electron acceptor so important? C. NAD+ only C. He or she has to sit down and rest. O d. Are the source of energy driving prokaryotic ATP synthesis. ], [Wait, does the energy literally turn into ATP? 12: Energetics & Redox Reactions - Biology LibreTexts If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Mitochondria have a myriad of essential functions including metabolism and apoptosis. Muscle tissues make lactate from pyruvate to do which of the following? 1/3 C. two molecules of ATP are used and four molecules of ATP are produced. The electrons are passed from enzyme to enzyme through a series of redox reactions. The oxidation of NADH is directly coupled to the reduction of oxygen to water. Most of the energy from the original glucose molecule at that point in the process, however, is in the form of _____. A. acetyl CoA, O2, and ATP B. citric acid cycle glucose is phosphorylated before it is split into two three-carbon molecules. In mitochondria, exergonic redox reactions a. are the source of energy driving prokaryotic ATP synthesis. Direct link to ferrarisenapathi's post Does the pyruvic acid req, Posted 7 years ago. A. the electron transport chain In the matrix, NADH and FADH2 deposit their electrons in the chain (at the first and second complexes of the chain, respectively). (B) provide the energy that establishes the proton gradient. The individual's ATP production will not change significantly. The last reaction in the citric acid cycle produces a product that is a substrate for the first reaction of the citric acid cycle. However, in the context of biology, there is a little trick we can often use to figure out where the electrons are going. B. Oxidation. Are the protons tansported into mitochondria matix and later pumped out by ETC or intermembrane space to form electrochemical gradient, or are they left in cytosol? Direct link to isaac22perez22's post The process of oxidative , Posted 6 years ago. D. all of it, For each mole of glucose (C6H12O6) oxidized by cellular respiration, how many moles of CO2 are released in the citric acid cycle (see the accompanying figure)? CoA consists of an adenine nucleotide base attached to a ribose 5 carbon sugar, from which is attached a chain of 2 phosphate molecules (as in ADP). Direct link to tyersome's post First "answer": A. ATP, CO2, and lactate D. 2%, Starting with one molecule of glucose, the energy-containing products of glycolysis are _____. C. acetyl CoA, FADH2, and CO2 Fortunately for us, our cells and those of other living organisms are excellent at harvesting energy from glucose and other organic molecules, such as fats and amino acids. Why are redox reactions important? - Answers Direct link to aida raihan's post i still cant understand t, Posted 7 years ago. Which of the following statements accurately describes the function of a metabolic pathway involved in cellular respiration? B. mitochondrial outer membrane How oxygen is activated and reduced in respiration | PNAS C. carbon dioxide (CO2) B. transfer of phosphate to ADP. In mitochondria, exergonic redox reactions: - OneClass D. oxygen. Like the questions above. D. 2, The synthesis of ATP by oxidative phosphorylation, using the energy released by movement of protons across the membrane down their electrochemical gradient, is an example of _____. I'm a little confused, it says a carboxyl group is snipped off, which would make sense because then the NAD can be reduced. An electron transport chain, or ETC, is composed of a group of protein complexes in and around a membrane that help energetically couple a series of exergonic/spontaneous red/ox reactions to the endergonic pumping of protons across the membrane to generate an electrochemical gradient.This electrochemical gradient creates a free energy potential that is termed a . These energetically downhill electron transfers are used to develop the chemisosmotic proton gradient that ultimately produces ATP. Then, we'll take a closer look at some of the electron transfer reactions (redox reactions) that are key to this process. B. A. the extraction of energy from high-energy electrons remaining from glycolysis and the citric acid cycle Pyruvate + NADH + H+ Lactate + NAD+ This last step __________. Direct link to Dallas Huggins's post The new Campbell Biology , Posted 7 years ago. E. are the source of energy driving prokaryotic ATP synthesis. In chemiosmosis, the energy stored in the gradient is used to make ATP. A. have no nitrogen in their makeup. Which statement correctly describes the difference between alcohol fermentation and lactic acid fermentation? A. Anion and cation. What is the advantage of such an electron transport chain? Direct link to Ashley Jane's post Where do the hydrogens go, Posted 5 years ago. Solved QUESTION 3 In mitochondria, exergonic redox reactions - Chegg

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