ATP is synthesised by oxidative phosphorylation in mitochondria. Diffusion of H+ across the membrane drives ATP synthesis. How much ATP is generated by anaerobic respiration? Answer verified by Toppr . Both aerobic and anaerobic bacteria need to have ETC to synthesize ATP. D. c y t c, b, a, a 3 . during aerobic cellular respiration the final electron acceptor is Accueil / Non classé / ; during aerobic cellular respiration the final electron acceptor is Option (c) is carbon dioxide. The correct sequence of electron acceptor in ETS in ATP synthesis is A. Cyt a, a b, c. B. Cyt b c, a, a 3 C. Cyt b c, a 3 , a. D. Cyt c b, a, a 3 Medium. Medium. answr. eutrophication: The process of becoming eutrophic. During this process, oxygen is reduced by the hydrogen from NADH and it finally accepts the electron in the chain. If A is molecular oxygen, water (AH) will be produced. ATP is produced from this reaction and cannot be the ultimate electron receptor. So, it is an incorrect option. The final electron acceptor is NADP. Electrons are not directly transferred to ATP. The electron transport chain is the main source of ATP production in the body and as such is vital for life. A. c y t a, a 3 , b, c. B. c y t b, c, a, a 3 . ATP in cellular respiration cannot act as a final acceptor of the electrons. Get Instant Solutions, 24x7. a) Cyt c. b) Cyt c1. Energy is released from the electrons falling and creates a proton gradient across the thylakoid membrane. The first molecule accepts protons and electrons from the products of the Krebs cycle. D P plus to form and a D. PH. What molecule is the final electron acceptor at the end of the Electron transport chain? Complex IIred reduces A, the terminal electron acceptor to regenerate Complex IIox and create the reduced form of the terminal electron acceptor. In anoxygenic photosynthesis various electron donors are used. oxygen The movement of which ion across the membrane from the intermembrane space to the matrix causes ATP synthase to spin and make ATP Easy to use and portable, study sets in Electron Acceptor In Aerobic Respiration are great for studying in the way that works for you, at the time that works for you. on the left-hand side of the redox couple). The electrons are passed from molecule to molecule and finally react with oxygen and protons to form water. Get ready for your Electron Acceptor In Aerobic Respiration tests by reviewing key facts, theories, examples, synonyms and definitions with study sets created by students like you. In the absence of oxygen the ETS stops working and no ATP … a) Located in outer mitochondrial membrane; F1 unit made up of ϒ3β3αδὲ Without oxygen the final reaction cannot occur. The previous stages of respiration generate electron carrier molecules, such as NADH, to be used in the electron transport chain. Oxygen accepts the electrons after they have passed through the electron transport chain and ATPase, the enzyme responsible for creating high-energy ATP molecules. Each electron then “falls” down an electron transport chain from the primary electron acceptor of Photosystem II to Photosystem I. Two hydrogen atoms or electrons move from NADH 2, and travel through this ETS chain and finally combine with half molecule of O 2, to form water. Answer. 8. Answer to: The terminal electron acceptor during mitochondrial respiration is: a. H_2O b. NAD^- c. FAD d. ATP e. O_2. Then ultimately they are accepted. electron acceptor: An electron acceptor is a chemical entity that accepts electrons transferred to it from another compound. Instead, molecules such as sulfate (SO 4 2-), nitrate (NO 3 –), or sulfur (S) are used as electron acceptors. The hydrogen produced during fermentation is actually what drives respiration during sulfate reduction. When A is oxygen, the reaction scheme would be considered a model of an aerobic ETC. Some common electron acceptors include nitrate (NO3-), ferric iron (Fe3+), sulfate (SO42-), carbonate (CO32-) or even certain organic compounds, like fumarate. Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products. to make ATP when there’s an external acceptor Two-part machine (reversible) a. electronic part - makes electricity b. mechanical part - uses electricity to make ATP c. the machine can also run backwards and use ATP to make electricity This machine allows better use of fuel, but can only run when there’s a good external electron acceptor. Carbon dioxide is the waste product during the process of cellular respiration. Adenosine triphosphate (ATP) ... (the electron acceptor) always placed on the left and the reduced form (the electron donor) on the right. Electron Transport Chain Transfer of hydrogen ions and electrons from NADH and FADH 2 to the final electron acceptor, molecular oxygen, is accomplished in an elaborate electron transport chain embedded in the inner membrane of mitochondria (Figure 4.15; see also p. 41). Which of the following statement is true regarding ATP synthase . Thus, it is the terminal electron acceptor that results in the formation of water molecules. Explanation: In cellular respiration, oxygen is the final electron acceptor. Acetogenesis – carbon dioxide as electron acceptor. Right, so this is definitely the abbreviated version. Electron transport system includes various electron carriers in the sequence of cytochrome b, c, a and a 3 . The function of ATP is that it acts as a major energy storing and transferring molecule. The correct sequence of electron acceptor in the processs of ATP synthesis is. In this case, Complex II can also translocate a proton during the process. During this electron transport FAD and Fe of different cytochromes are successively reduced and oxidised and at certain points, enough energy is released which is used to bind ADP with Pi to form ATP. In oxygenic photosynthesis, the first electron donor is water, creating oxygen as a waste product. These electrons are accepted by the N A. c) Cyt b. d) Cyt a. In organisms that use carbon compounds as electron donors, the ATP consumed is accounted for by fermentation of the carbon substrate. Electron transport is a series of chemical reactions that resembles a bucket brigade in that electrons are passed rapidly from one component to the next, to the endpoint of the chain where oxygen is the final electron acceptor and water is produced. If the Calvin cycle slows down, what will happen to the rate of O 2 production in PS II, and why? The electrons move through a series of electron donors and carriers that lead to the formation of a potential gradient. It is an oxidizing agent that, by virtue of its accepting electrons, is itself reduced in the process. There is some ATP produced back here between photo system to and photo system one, but this is definitely the abbreviated version. An example would be ½ O2/H2O, where H2O could serve as an electron donor and O2 could serve as an electron acceptor. Answer. O 2 production will slow down because less NADP + will be regenerated in the Calvin cycle. NADP + is required as an electron acceptor during linear electron flow of the light reactions. a) 1-2-3-4. b) 1-3-4. c) 2-3-4. d) 1-4. However, if A is nitrate, NO Anaerobic respiration is the formation of ATP without oxygen. Those electrons then travel on two photo system one where more sunlight energizes than further. Cytochrome b6f and ATP synthase work together to create ATP. This method still incorporates the respiratory electron transport chain, but without using oxygen as the terminal electron acceptor. This gradient helps in ATP synthesis. Later, it is used for the preparation of organic compounds, carbohydrates. On the other hand, NADPH works as a coenzyme and reducing the power of biochemical reactions. 6. The best electron acceptor will be the one that is lowest down on the electron tower, in an oxidized form (i.e. 6. The movement of electrons from FADH2 occurs via complex. ATP is a versatile energy currency for cells while NADPH is a source of electrons that can pass along to an electron acceptor. Upvote (null) Was this answer helpful? C. c y t b, c 3 , a, a 3 . 7. The terminal electron acceptor O2 receives electrons from. + will be the ultimate electron receptor first molecule accepts protons and electrons FADH2! 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