answer choices . What carries the energized electrons from glucose in cellular respiration? neither statement is correct. 534 times. the reducing agent is the substance that gets oxidized(it loses electrons) glucose is the reducing agent initially . Is glucose being oxidized or reduced during cellular respiration? Hydroxylases and reductases also use NAD + as an electron carrier. Many things are oxidized and reduced during cellular respiration. Since they are equally selfish, when you assign the oxidation number each oxygen atom gets two electrons for a total of six that it now owns. In other words, oxygen is reduced during cellular respiration while glucose is oxidized. During this process, oxidation energy is captured in the form of adenosine triphosphate (ATP) molecules. Oxidation and reduction of NAD are shown in figure 1. Your body breaks down the food into components, one of which is glucose. a year ago. In glycolysis, sugar is broken down to generate the end product, pyruvate. For glycolysis, pyruvate oxidation and the citric acid cycle (Krebs cycle): a. Glycolysis. 'Reactant' means the starting materials; which materials are going to react to... Our experts can answer your tough homework and study questions. What is the role of electron carrier molecules in energy processing systems? The cell also must generate a number of intermediate compounds that are used in the anabolism and catabolism of macromolecules. The molecule that is oxidized gains electrons and the molecule that is reduced loses electrons. ... What is the cause of the burning sensation in muscles after humans complete fermentation? What is the chemical equation for aerobic cellular respiration? Relevance. The oxidation number of carbon, by contrast, has increased from zero to +4. During cellular respiration, acetyl CoA accumulates in which location? The reactant in cellular respiration that gets reduced is the oxygen. Oxidation and reduction of NAD are shown in figure 1. Biochemists track what happens to each of these two participants by determining which one loses and which one gains electrons -- which one, in other words, is oxidized and which one is reduced. Depends on what step of cellular respiration you are looking at -- there is glycolysis, the krebs cycle, the electron transport chain. See disclaimer. The final stage of cellular respiration is oxidative phosphorylation, which consists of (1) an electron transport chain and (2) chemiosmosis. Why are they necessary? The citric acid cycle initiates with (a) succinic acid (b) pyruvic acid (c) acetyl coenzyme A (d) fumaric acid Answer: (c) acetyl coenzyme A 3. Flavin adenine dinucleotide (FAD +) gets reduced to FADH 2, making it another co-enzyme that is an electron carrier. A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle. In cellular respiration, what is oxidized and what is reduced? When oxygen is not available? Most of the oxygen is reduced to water by cytochrome c oxidase in a four-electron process. The process is similar to burning, although it doesn’t produce light or intense heat as a campfire does. In chemical terms, oxidation refers to a chemical process whereby an atom or molecule loses an electron. redox reaction for cellular respiration. Where does glycolysis takes place? Become a Study.com member to unlock this Acetaldehyde is reduced by NADH creating the ethanol. Cellular respiration accomplishes two major processes: (1) it breaks glucose down into smaller molecules, and (2) it harvests the chemical energy released and stores it in ATP molecules. Shown in figure 1 ) of two types – anaerobic respiration and fermentation the NADH produced in many steps! For the laws of Superposition webquest what catabolic process what is reduced in cellular respiration cells use when oxygen is?! These reactions are often called \ '' redox\ '' reactions ( PS1 ) generate a number of before! 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