Spinach disk photosynthesis lab report
[DOC File]Part II – Measuring Photosynthetic Rate in Spinach Leaf Disks
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In this experiment, the intercellular spaces of spinach leaf disks are infiltrated with a sodium bicarbonate solution, which causes them to sink in the solution. As photosynthesis occurs, oxygen is produced and collects in the intercellular spaces causing leaf disks to re-float. Goals. By the end of this activity you should be able to:
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Now that you have mastered the floating disk technique, you will design an experiment to test another variable that may affect the rate of photosynthesis. You will collect data, analyze data and present your findings in the form of a LAB REPORT. As you conduct your investigation, you may want to take photos to include in your report.
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Now that you have mastered the floating disk technique, you will design an experiment to test another variable that may affect the rate of photosynthesis. You will collect data, analyze data and present your findings in the form of a LAB REPORT. As you conduct your investigation, you may want to take photos to include in your report.
[DOC File]A Measure of Photosynthetic Rate In Spinach Leaf Disks
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9. As photosynthesis proceeds, the disks will start to float. At 2 minute intervals, invert the syringes to agitate the leaf disks and immediately return them to their positions in front of the lights. Count the number of disks floating after each interval until all …
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Oxygen collects in the leaf as photosynthesis progresses, causing the leaf disks to float again. The length of time it takes for leaf disks to float again is a measure of the net rate of photosynthesis. This process is shown in Figure 3. Investigation 5 S65. Figure 3. Photosynthesis at Work. Question:
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The purpose of the experiment is to see how much time it takes for all 10 of the Spinach Disks to rise in the process of Photosynthesis. Hypothesis: I predict that all ten of the spinach leaf disks will be floating at 13 minutes, because it should take about that much time for the plant to absorb the energy and start to rise.
[DOC File]The Floating Leaf Disk Assay for Investigating Photosynthesis
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Since cellular respiration is taking place at the same time within the leaf, consuming the oxygen generated by photosynthesis, the rate that the disks rise is an indirect measurement of the net rate of photosynthesis. In this lab, you will measure the net rate of photosynthesis for several plants under various lighting conditions. Materials: 1.
[DOC File]Lab Report on Photosynthesis - Oregon State University
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Write a lab report on your experiment investigating the effect of moist and dry conditions on optimum interplant distance that maximizes areal yield (yield per square meter of field surface). The report should be typed with double-spaced text, 12 pt font and pages numbered with the following components.
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Lab Report Exemplar. Lab Report Scoring Checklist. Video of Leaf Disk Lab. I. Introduction [Background information typed here] Include: a. formula for the chemical reaction in the experiment, identify the inputs and where they came from …
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The general, summary equation for photosynthesis is: 6CO. 2(g) + 6H 2 O + light energy → C 6 H 12 O 6 + 6O. 2(g) In the case of photosynthesis, we can, therefore, either measure the rate of reaction by the loss of carbon dioxide or the accumulation of sugars or oxygen. In this lab, we will use a system that measures the accumulation of oxygen.
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