what is the difference between the light and dark reaction of photosynthesis?
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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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Photosynthesis is the process by which plants use light energy to convert carbon dioxide and water into sugars. ... Respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy. This energy is used to fuel growth and all of the normal cellular functions.
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The main difference between photosynthesis and cellular respiration is that photosynthesis is an anabolic process, where the synthesis of organic compounds occurs, storing energy whereas cellular respiration is a catabolic process, where the stored organic compounds are utilized, producing energy.
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Photosynthesis consists of both light-dependent reactions and light-independent reactions. In plants, the so-called "light" reactions occur within the chloroplast thylakoids, where the aforementioned chlorophyll pigments reside.
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Specifically, plants use energy from sunlight to react carbon dioxide and water to produce sugar (glucose) and oxygen. Many reactions occur, but the overall chemical reaction for photosynthesis is: 6 CO2 + 6 H2O + light → C6H12O6 + 6 O. Carbon Dioxide + Water + Light yields Glucose + Oxygen.
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Pigments absorb light used in photosynthesis. In photosynthesis, the sun's energy is converted to chemical energy by photosynthetic organisms. However, the various wavelengths in sunlight are not all used equally in photosynthesis. ... As a note, chlorophyll a absorbs slightly different wavelengths than chlorophyll b.
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During light reactions phosphate is added to ADP to produce ATP. The process is called Phosphorylation. Dark phase = The Calvin Cycle – is the making of Glucose from CO2. It can operate in darkness but utilizes the products of light phase, NADPH and ATP to reduce CO2 into Glucose.
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Answer: Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.
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What are the differences between chemosynthesis and photosynthesis? Both photosynthesis and chemosynthesis are reactions that use energy, but the energy source is different. ... In photosynthesis, water is needed to fuel the process; in chemosynthesis, water is an end result of the process.
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2 replies. In photosynthesis process, light breaks water molecules by stripping water of an electron. This reaction frees both water molecules. Oxygen reacts with another free oxygen to form oxygen diatomic (O2).
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The light reactions provide the Calvin cycle with oxygen for carbon fixation, and the Calvin cycle provides the light reactions with sugars to produce ATP. The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the Calvin cycle provides water and electrons to the light reactions.
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The Two Parts of Photosynthesis In the light-dependent reactions, which take place at the thylakoid membrane, chlorophyll absorbs energy from sunlight and then converts it into chemical energy with the use of water. The light-dependent reactions release oxygen from the hydrolysis of water as a byproduct.
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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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What is the importance of the light and dark reactions in photosynthesis? During the light reactions of photosynthesis, light energy from the sun is captured and used to make ATP and NADPH. During the dark reactions, ATP, NADPH, and carbon dioxide combine to make glucose and other compounds.
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Photochemical Reaction in Photosynthesis Photosynthesis is a photochemical process by which green plants, seaweeds, algae, and certain bacteria absorb solar energy and utilize it to convert the atmospheric carbon dioxide to carbohydrates in the presence of water.
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Specifically, plants use energy from sunlight to react carbon dioxide and water to produce sugar (glucose) and oxygen. Many reactions occur, but the overall chemical reaction for photosynthesis is: 6 CO2 + 6 H2O + light → C6H12O6 + 6 O.
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Dark reaction. The series of biochemical reactions in photosynthesis that do not require light to proceed, and ultimately produce organic molecules from carbon dioxide.