Answers ( 1) H. Hobard 10 October, 15:19. Comment. This specific phase involves a series of reactions in which there are a variety of enzymes required to ensure proper regulation. Be the first to answer! Here out focus will be the process of Reduction. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Need ! Another way to prevent getting this page in the future is to use Privacy Pass. There is a regeneration of the RUBP acceptor which can be used for the next cycle. Answer: 3 question In one to three sentences, describe what happens during the carbon fixation stage of the Calvin cycle. During the process of reduction, energy in the form of ATP and NADPH  are used for the conversion of 3-PGA to G3P. Correct answer to the question In one to three sentences describe what happens during the regeneration stage of the calvin cycle - e-eduanswers.com This process depends on the supply of ATP, (the ATP that is formed previously during light dependent reactions). the remaining G3P molecules that have not exited the cycle are used to re-form RuBP through a series of chemical reactions, so that the Calvin cycle can continue 1. In the second stage, ATP and NADPH are used to reduce 3-PGA into G3P; then ATP and NADPH are converted to ADP and NADPH+. You might remember in the first stage of glycolysis, or the first time we cut a glucose molecule we ended up with two phosphoglyceraldehyde molecules. As 3-PGA is reduced to G3P, therefore this process is known as reduction. The energy required to regenerate G3P is derived from ATP. It was created by running through steps 1-5 of the Calvin Cycle three times. Carbon dioxide is incorporated into a 5 carbon sugar, RuBP, which immediately forms two molecules of 3-PGA. In the second stage, ATP and NADPH are used to reduce 3-PGA into G3P; then ATP and NADPH are converted to ADP and NADPH+. The stroma is a protein-rich semiliquid material in the interior of a chloroplast. You can refuse to use cookies by setting the necessary parameters in your browser. Calvin cycle also known as Calvin-Benson-Bassham or reductive pentose pathway has been the first CO 2 fixation cycle discovered by Calvin, Benson and Bassham in plants and after reported in many other microorganisms [24–26].In this cycle represented in Fig. ATP and NADPH transfer chemical energy to 3-PGA. In the second stage of C3 cycle, ATP and NADPH reduce 3PGA to G3P. There are three phases to the light-independent reactions, collectively called the Calvin cycle: carboxylation, reduction reactions, and ribulose 1,5-bisphosphate (RuBP) regeneration. the calvin cycle has three stages. Your IP: 178.62.221.157 In stage 3, RuBP, the molecule that starts the cycle, is regenerated so that the cycle can continue. • The correct answer is - Carbon fixation is one of the three stages of the Calvin cycle. How the products of the light reactions, ATP and NADPH, are used to fix carbon into sugars in the second stage of photosynthesis. In fixation, the first stage of the Calvin cycle, light-independent reactions are initiated; CO2 is fixed from an inorganic to an organic molecule. Glucose has six carbons. Phase 1 in Calvin cycle: Carbon fixation In this step, initial incorporation of three molecules CO 2 takes place into the organic material. The cycle is light-independent because it takes place after the energy has been captured from sunlight. Answer . During stage 1, Carbon … Term. • Asked by Wiki User. This helps in more carbon dioxide fixation. (2) Regeneration, during which the carbon dioxide acceptor ribulose-1,5-biphosphate is formed. … By using this site, you consent to the use of cookies. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. Although the Calvin cycle may be called the "dark reactions," these reactions don't actually occur in the … Energy to fuel chemical reaction s in this sugar-generating process is provided by ATP and NADPH , chemical compounds which contain the … ★★★ Correct answer to the question: Describe what happens during the regeneration stage of the calvin cycle - edu-answer.com Fixed into the organic molecule the end product of the enzyme rubisco incorporates carbon dioxide ribulose-1,5-biphosphate. Molecule of glucose which the carbon dioxide is reduced into hexose sugars discovered them, and regeneration dark reaction,. During that phase released from NADPH occur during the carbon dioxide ( CO2 ) combines with ribulose-1, 5-biphosphate to! 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