what factors affect the rate of photosynthesis?
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Three factors can limit the rate of photosynthesis: light intensity, carbon dioxide concentration and temperature.
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Sunlight provides the energy needed for photosynthesis to take place. In this process carbon dioxide and water are converted into oxygen (a waste product that is released back into the air) and glucose (the source of energy for the plant).
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The higher the temperature then typically the greater the rate of photosynthesis, photosynthesis is a chemical reaction and the rate of most chemical reactions increases with temperature. However, for photosynthesis at temperatures above 40°C the rate slows down. ... Enzymes are affected a great deal by temperature.
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All phytoplankton and higher plants perform photosynthesis, where carbon dioxide is incorporated into biomass during cell growth. Ocean acidification (OA) has the potential to affect photosynthetic kinetics due to increasing seawater pCO2 levels and lower pH.
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Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. These sugar molecules contain the energy that living things need to survive.
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The cuvette with the unboiled chloroplasts that had been exposed to light showed the biggest change in percent transmittance (2.6%), which indicates that the amount of light available has a very big effect on the rate at which the light reactions of photosynthesis occur.
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Answer 1: Photosynthesis is light dependent. At low light intensities, light is a limiting factor for photosynthesis. The rate of photosynthesis to the light intensity is inversely proportional, so it will increase rapidly at first the levels off until it reaches its optimum speed.
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['The raw materials required for the process of photosynthesis are carbon dioxide, water and solar energy.', 'The carbon dioxide present in the atmosphere diffuses into the leaf through stomata.', 'Water is obtained from the plant roots.']
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Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
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Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply. The rate of photosynthesis is directly proportional to the light intensity until another factor becomes limiting.
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Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.
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Carbon dioxide - with water - is one of the reactants in photosynthesis. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase.
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To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis.
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Abiotic factors include: Light intensity: limited light will limit photosynthesis. This will affect the distribution of plants, and therefore the distribution of animals that eat plants. ... Temperature: temperature is a limiting factor for photosynthesis - and low temperature therefore limits growth of plants.
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['External factors. ... ', 'Precipitation. ... ', 'Temperature. ... ', 'Atmospheric Humidity (Relative Humidity - RH) ... ', 'Solar radiation (without which life will not exist) ... ', 'Wind velocity. ... ', 'Atmospheric gases on plant growth. ... ', 'Soil moisture.']
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The faster the rate of photosynthesis relative to respiration, the greater the rate at which atmospheric carbon is 'sucked in' by ecosystems. As CO2 rises in the atmosphere from human input, which leads to the planet warming, the balance between photosynthesis and respiration can shift in individual plants.
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["Variations in the sun's energy reaching Earth.", "Changes in the reflectivity of Earth's atmosphere and surface.", "Changes in the greenhouse effect, which affects the amount of heat retained by Earth's atmosphere."]