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Elodea Green Light

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The pigments of the Elodea leaf absorbed more white light than green light when carrying out photosynthesis. According to the bar graph below, the white light caused the leaf to produce a significantly greater amount of oxygen than green light (Graph 1). The graph also illustrates how the amount of oxygen produced during the first 10 minutes affect the gross photosynthesis. Both the red portion and blue portion of each column, which represents gross photosynthesis and net photosynthesis respectively, are larger for white light than for green light (Graph 1). The graph of the data provides an illustration of what the actual data numbers are representing. The table below provides the actual numerical values for the net oxygen produced, the oxygen
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The most important result from this experiment is that it suggested that the increase of Carbon Dioxide, will drastically increase the growth mountain maple in the covered (from the sun) parts in a forest, in the meantime any increase in the temperature of the soil will nullify the increase of light, as we know is to be the main ingredient for photosynthesis. 5. The authors do not use any citations in the

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To begin, in this lab we studied the structures of leaves under a microscope. A leaf is best described as a major photosynthetic organ of green plants. Plants carry out the process of photosynthesis to convert carbon dioxide and water into oxygen and glucose for usable energy. This can be represented in a general equation which is 6CO2 + H2O -------> (sunlight and chlorophyll) C6 H12 O6 +6O2. Initially, the leaf is protected by the upper and lower epidermis as well as the cuticle.

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Because carbon dioxide is absorbed by the plant during photosynthesis less carbon dioxide present in the chamber is a sign that photosynthesis is working. The four lights used for this experiment range across the light spectrum on both sides in order to test a wider variety of wavelengths. All lights will be placed directly on the spinach leaf at the same distance so as not to give any spinach leaf a different light intensity, which could affect the data. This experiment will be able to show which light, ranging across the light spectrum, will allow the Spinach to perform photosynthesis more efficiently.

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Effect of carbon dioxide availability on photosynthetic rate of the leaves of Elodea Densa. Rosanth Anparasan1, Muhammad Ali Qazi1, Kyle Patel1, Sheldon Lui1, Hossein Bhorbani 1 1Dept. of Biological Sciences, University of Toronto Scarborough, Toronto, Canada UTSC BIOA01 Lab PRA20, BENCH5: PRA20 TA: Ashley Bramwell ________________________________________ Abstract: The process of photosynthesis is the most essential chemical processes that occurs on the planet.

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Dark green seems to stay longest in the veins, outlining and defining them. During the summer, chlorophyll dissolves in the heat and light, but it is also being steadily replaced. In the fall, on the other hand, no new pigment is produced, and so we notice the other colors that were always there, right in the leaf, although chlorophyll’s shocking green hid them from view” (Ackerman 542). This quote explains the process of the coloration of the leaves. She also compares the difference of how chlorophyll acts during the fall and

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℃^(-1)×6.40℃±3.1 %=1337.6 J±4.06 % ∆H=(-1337.6 J±4.06 %) /(0.025 mol ±0.16 %)= -53504 J m〖ol〗^(-1)±4.22 % ∆H=-53504 J m〖ol〗^(-1)±4.22 %÷1000=-54 kJ m〖ol〗^(-1)±4.22 % Conclusion and

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Background Information: In this experiment I will be investigating the impact of light intensity on the rate of water uptake, due to transpiration, by attaching a shoot from a leafy plant in the capillary tube of a potometer, and then measuring how long it takes for a bubble to move a set distance. The faster the bubble moves, the greater the rate of transpiration. I will be placing one plant in an environment where it is exposed to high-light intensities, and another plant in an environment where it is exposed to low-light intensities. Transpiration is the process of the transport of water and nutrients up the the plant from the roots to the leaves.

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