what are the differences between light reactions and calvin cycle?
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Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH. The Calvin cycle, which takes place in the stroma, uses energy derived from these compounds to make GA3P from CO2.
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1) There are two major phases found in photosynthesis. They are light reaction and dark reaction. 2) Light reaction : The light reaction takes place in chlorophyll containing thylakoids called grana of chloroplasts. 3) The chlorophyll on exposure to light energy becomes activated by absorbing photons.
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The main difference between light and dark reaction is that light reaction is the first stage of photosynthesis, which traps light energy in order to produce ATP and NADPH whereas dark reaction is the second stage of photosynthesis, which produces glucose by using the energy form ATP and NADPH produced from the light ...
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Reactions of the Calvin cycle The Calvin cycle reactions can be divided into three main stages: carbon fixation, reduction, and regeneration of the starting molecule.
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The Calvin cycle is a part of photosynthesis, the process plants and other autotrophs use to create nutrients from sunlight and carbon dioxide. ... The Calvin cycle is a process that plants and algae use to turn carbon dioxide from the air into sugar, the food autotrophs need to grow.
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In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and that energy is converted into stored chemical energy. In the light-independent reactions, the chemical energy harvested during the light-dependent reactions drives the assembly of sugar molecules from carbon dioxide.
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The Kreb's Cycle produces ATP (adenosine triphosphate) and carbon dioxide while the Calvin Cycle uses ATP and carbon dioxide to fuel the process. ... In contrast, the Krebs Cycle requires oxygen and occurs in mitochondria of all types of cells.
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[' Absorption of light energy by chlorophyll .', ' Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen.', ' Reduction of carbon dioxide to carbohydrates .']
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Light energy is harnessed in Photosystems I and II, both of which are present in the thylakoid membranes of chloroplasts. In light-independent reactions (the Calvin cycle), carbohydrate molecules are assembled from carbon dioxide using the chemical energy harvested during the light-dependent reactions.
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Calvin Cycle. The Calvin cycle is a part of photosynthesis, the process plants and other autotrophs use to create nutrients from sunlight and carbon dioxide. ... The Calvin cycle is a process that plants and algae use to turn carbon dioxide from the air into sugar, the food autotrophs need to grow.
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['Step 1-Light Dependent. CO2 and H2O enter the leaf.', 'Step 2- Light Dependent. Light hits the pigment in the membrane of a thylakoid, splitting the H2O into O2.', 'Step 3- Light Dependent. The electrons move down to enzymes.', 'Step 4-Light Dependent. ... ', 'Step 5-Light independent. ... ', 'Step 6-Light independent. ... ', 'calvin cycle.']
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Converting Carbon Dioxide and Water Into Glucose In the most general sense, the primary function of the Calvin cycle is to make organic products that plants need using the products from the light reactions of photosynthesis (ATP and NADPH).
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Figure: The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
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Photorespiration occurs when a plant runs out of CO2 and begins adding O2 to RuBP in the Calvin cycle. What is the most important difference between PEP carboxylase and rubisco? Rubisco can use CO2 or O2 as a substrate. PEP carboxylase cannot use O2.
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The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle. In another form of the light reactions, called cyclic photophosphorylation, electrons follow a different, circular path and only ATP (no NADPH) is produced.
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During photosynthesis glucose is produced during the Calvin cycle, also known as the dark reactions.
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Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.