changing the concentration of carbon dioxide affect the rate photosynthesis in plants? Introduction: Photosynthesis is the process through which plants‚ algae‚ and some bacteria convert light energy into chemical energy from carbon dioxide and water‚ producing glucose and oxygen. This process is extremely vital as it the major source of nutrition for all living things on Earth‚ and fuel organisms’ activities. The equation of photosynthesis is as follows: 6CO2 + 6H2O C6H12O6 + 6O2 Background:
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Relevant to: 2.5.2. Describe photosynthesis in terms of inputs‚ outputs and energy transformations. Criteria to be assessed: PL‚ DCP‚ DEC. Background: Photosynthesis is the reaction carried out by green plants to produce a supply of food. The reactions occur in the chloroplasts and require light energy. 6CO2 + 6H2O C6H12O6 + 6O2 In aquatic plants‚ the production of oxygen can be used to measure the rate of photosynthesis as the oxygen bubbles can
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growth. For those interested in harvesting duckweed‚ future studies can focus in determining the amount of light needed for optimal growth. Introduction Plants are able to convert light energy into chemical energy through the process of photosynthesis (Campbell & Reese‚ 2005). This process is dependent on both abiotic and biotic factors. Since plants are autotrophs‚ the most vital are abiotic factors such as light‚ temperature‚ wind‚ water‚ and atmospheric gases (Campbell & Reese‚ 2005). The
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increased‚ the average rate of photosynthesis of the leaf discs increased in a linear trend. As it is the sodium bicarbonate which decomposes into carbon dioxide necessary for photosynthesis‚ it is reasonable to consider from Graph 1 that as carbon dioxide concentration of the solution increases‚ the rate of photosynthesis will also increase in a linear trend. Carbon dioxide concentration is shown to be directly proportional to rate of photosynthesis ([CO2] ∝ rate of photosynthesis). The line of best fit
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of CO2. These values of the photosynthesis (plus respiration) rates in red light were 0.443‚ -0.141‚ and -1.1 ppm/g/min with a mean value of -0.27 ppm/g/min. The values of photosynthesis (plus respiration) rates in blue light were 2.449‚ 1.667‚ and 2.997 ppm/g/min with a mean value of 2.36 ppm/g/min. A t-test comparing the mean photosynthetic rates under red and blue light indicated no significant difference
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Light Intensity on the Rate of Photosynthesis. Light intensity is one ... 4. Darken the laboratory by turning off as many lights as possible. Rate Of Photosynthesis And Light Intensity Discussion Lab Report ... www.studymode.com/.../rate-of-photosynthesis-and-light-intensity-discu... Free Essays on Rate Of Photosynthesis And Light Intensity Discussion Lab Report for students. Use our papers to help you with yours 1 - 20. Photosynthesis light intensity lab report - free
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Photosynthesis Lab Answer Key Vocabulary: carbon dioxide‚ chlorophyll‚ glucose‚ limiting factor‚ nanometer‚ photosynthesis‚ wavelength Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] • To survive‚ what gas do we need to breathe in? Oxygen • Where is this gas produced? In plants Gizmo
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Lab 11- Plant pigment and Photosynthesis Zelda Salfati December 20th‚ 2012 BIOL 1012Y Partners Lab: Nicole Mintz‚ Bayla Kronman
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In 1905‚ Frederick Blackman‚ a British physiologist‚ concluded that photosynthesis‚ the capture of light and conversion of it into chemical energy is a two-way process‚ of which only one uses direct light to trap radiant energy. In the Hill Reaction activity‚ our group will be focusing directly on the light dependent reaction. The overall purpose of this experiment is to try to prove the hypothesis that this reaction does produce compounds that have the energy of light. The first of the two major
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called chromatography. The procedure uses a special paper and solvent. The chlorophyll molecules adhere to the paper. The solvent molecules move up the paper by capillary action. Each chlorophyll molecule will travel up the paper at different rates. Hypothesis: If chlorophyll is removed from the plant‚ then the different pigments in the plant can be visible. Materials: -Spinach -Coin -Chromatography paper -Ruler -Bottle
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