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[DOC File]Bio II Elodea Lab: Photosynthesis and Cellular Respiration
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What could be limiting the rate of photosynthesis at light intensities where a graph shows no increase in Absorbance with an increase in light intensity? What is the name of the point at which your line of best fit crosses the x-axis, what is happening at this light intensity, and what is its significance for the photosynthesising organism?
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[DOC File]Investigating the Effect of Light Intensity on Photosynthesis
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As light intensity increases, the rate of photosynthesis increases. Cellular respiration is the main energy-producing process in living cells. It involves the breakdown of food (glucose) and the oxidation of food molecules. Carbon dioxide and water are given off in cellular respiration.
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[DOC File]Name ...
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The plant needs the carbon dioxide for photosynthesis. However, photosynthesis only occurs in plants if ample light is available. During the night or at lower light levels, unused carbon dioxide increases in aquatic ecosystems and as a result, the pH decreases. Discuss with your partners how light affects the pH of an aquatic system.
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[DOC File]22. Sunlight and Photosynthesis in Aquatic Plants
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More specifically, you will learn how the amount of light affects photosynthesis. In order to do this, you will use an . Elodea plant, the chemical . Bromothymol Blue (which acts as an indicator to show if photosynthesis is occurring). Bromothymol blue works because it is able to detect the presence of . CO2 (needed for photosynthesis) and . O2
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[DOC File]The Effects of Light Intensity and Wavelength on the Rate ...
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Dec 06, 2010 · To observe how light affects photosynthesis. To understand how photosynthesis is important to life. To understand the consequences when plants and trees are destroyed. Problem Statement(s): Does the intensity of light affect the rate of photosynthesis? How does the destruction of forests affect the rate of photosynthesis?
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[DOC File]Photosynthesis Lab
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How does the color of light affect the rate of photosynthesis? Which colors produce more oxygen? Which ones produce less oxygen? _____ _____ _____ _____ Gather data: Set the Light wavelength to 400 nm. (The symbol “nm” stands for nanometers. A nanometer is a billionth of a meter.) Visible light ranges from 400 to 700 nm. On the TABLE tab ...
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Free Essay: The effect of light intensity on the rate of photosynthesis
The rate at which photosynthesis occurs determines how quickly this carbon dioxide, and the carbon dioxide that is already present in the solution, is removed from the solution. What is actually being investigated then, is not the true “rate of photosynthesis” but the rate of photosynthesis compared to the rate of respiration.
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[DOC File]Light intensity and the rate of photosynthesis
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: Your task is to use the simulation to determine how wavelength and intensity affect the rate of photosynthesis (and the production of ATP). Keep in mind you are dealing with two variables, so in order to determine absolutely how each factor affects photosynthesis, you must keep one variable constant while manipulating the other variable.
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[DOC File]Science and Plants for Schools
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Does more light lead to more photosynthesis? In this laboratory exercise you will examine how the intensity of light affect photosynthesis. Purpose: To examine how light intensity affects the rate of photosynthesis. Materials: ( graduated test tube ( beaker ( sprig of elodea ( source of bright light ( sodium bicarbonate solution (NaHCO3 ...
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[DOC File]Photosynthesis Lab - Elodea and Bromthymol Blue
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How does the color of light affect the rate of photosynthesis? _____ _____ Gather data: Set the Light wavelength to 400 nm. (The symbol “nm” stands for nanometers. A nanometer is a billionth of a meter.) Visible light ranges from 400 to 700 nm. On the TABLE tab, click Record data. Then set the Light wavelength to 420 nm, and repeat.
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How does light affect photosynthesis rate