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[DOC File]Part II – Measuring Photosynthetic Rate in Spinach Leaf Disks
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2. Describe and explain the relationship between the number of disks floating and time. Recall that rate = ∆y/∆x . Determine the initial photosynthesis rate of spinach leaf disks during the experiment and the rates between each of the time points. Record the rates in the table below. Show your …
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[DOC File]SL IB Biology II – Cell Respiration Practice #1
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(2) (c) Using the data in the table, outline the effects of iron deficiency on the pigment content of the leaves. ... (2) 2. (a) State the main photosynthetic pigment in plants. ... Explain briefly two method for measuring the rate of photosynthesis in a plant. ...
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[DOC File]Photosynthetic Photography (Light & Photosynthesis)
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In this experiment, sodium bicarbonate solution will be used to infiltrate the leaf (because it will provide a carbon dioxide source). The time until the leaf disk floats will be a measure of photosynthetic rate. Procedure. Place approximate 100 ml of 0.2% NaHCO3 into a 250 ml flask. Fill three Petri dishes approximately 2/3 full with the same ...
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[DOC File]ANSWERS 1 (68 Marks)
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Deduce the effect of doubling the CO2 concentration to 740 ppm on the growth of wheat plants. (2) the rate of photosynthesis will increase (over the rate at 370 ppm); the photosynthetic rate will at least double (but less than 5–6 times); not linear; bigger plants / more growth / more grain / greater yield;
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[DOC File]BIO 121 LAB INSTRUCTIONS - Wilkes University
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Inject 0.5 mls of DCMU, then once the needle settles to a steady rate measure the % saturation at 30” intervals for three minutes, entering the data in Table I. Cuvette Buffer water chloroplasts K3Fe(CN)6 1 1.0 ml 2.5 ml 0.5 ml 1.0 ml 2 1.0 ml 2.5 ml 0.5 ml 1.0 ml 3 1.0 ml 2.5 ml 0.5 ml* 1.0 ml 4 1.0 ml 3.5 ml 0.5 ml - 5 1.0 ml 2.5 ml 0.5 ml ...
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[DOC File]Name:
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Variation in Photosynthetic. Rate of Elodea. 4. The table shows the number of bubbles released by an elodea plant per minute at different light intensities. The rate of bubble release is representative of the photosynthetic rate. Which statement is supported by these data? A The rate of photosynthesis is slowest when elodea produces 7 to 12 ...
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[DOCX File]Alevel Revision Notes
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Complete Table 2 to show the percentage of total carbon dioxide production by each part of the ecosystem. 35.2. A student who looked at the data in Table 2 concluded that plants carry out more respiration than non-photosynthetic organisms in the ecosystem. Use the information provided to suggest why these data may not support the student’s ...
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[DOC File]BASBE
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1. Why is measuring the liberation of oxygen a good way to measure photosynthetic rate? Why not just measure the amount of sugar produced? 2. List five factors that might influence the rate of oxygen production or consumption in Elodea. Explain how you think each will affect the rate? Photosynthesis. 6 CO2 + 6 H2O + light energy C6H12O6 + 6 O2
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[DOC File]Experiment 2 - plant phys
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To obtain a photosynthetic rate we must now multiply Y by the volume of the chamber expressed in liters. The chamber is designed so that when closed it has a fixed internal volume of 0.047L. Therefore, in our example, photosynthetic rate would be 0.047 Y µmol O2/min/leaf.
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[DOCX File]WordPress.com
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The figure below shows the absorption spectra for three different photosynthetic pigments. (i)Explain what is meant by the term ... Table 2 shows climate data for the areas from which the plants originate. Table 2 (c) ... The table below shows the rate of activity of glycogen synthetase and glycogen phosphorylase inside liver cells, during ...
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Table 2 measuring photosynthetic rate