Photosynthesis in spinach

    • [DOCX File]SCIENCE WITH MR. HAUG

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      Observing Photosynthesis. Spinach Disk Lab. Written Instructions. Goal: Materials: Light Source at two different heights (15cm and 30cm) 150ml Beaker. Sodium Bicarbonate Water. Petri Dish (to use as a heat sink) Syringe. Spinach Leaf. Hole Punch. Goggles. Safety: Be sure to wear your goggles during the lab. Do not allow the liquid to squirt out of the syringe, it can injure and cause damage ...

    • [DOC File]Photosynthetic Photography (Light & Photosynthesis)

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      Plant Pigments and Photosynthesis Lab. Part A: Chromatography of Plant Pigments. Paper chromatography is a useful technique for separating and identifying pigment and other molecules from cell extracts that contain a complex mixture of molecules. The solvent moves up the paper by capillary action, which occurs as a result of the attraction of solvent molecules to the paper and the attraction ...

    • [DOCX File]9. Plant Pigments

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      What is the main pigment in photosynthesis called? _____ Materials: Chromatography paper Glass slide Black transparency marker 2 Flasks with rubber stoppers Thumb tacks Scissors Solvents (water and alcohol) Spinach . Procedure: Part 1: Black Marker. Cut the bottom of the chromatography paper into a “V” shape. Measure approximately 2cm from the bottom of your chromatography paper and draw a ...

    • [DOC File]Plant Pigments and Photosynthesis Lab

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      Fresh spinach leaves, 1-2. Safety. Follow these important safety precautions in addition to your regular classroom procedures: Use caution when working with a hot light bulb. Figure 1: Photosynthesis setup . Procedure. 1.Select Sensor Data in SPARKvue. 2.Connect the carbon dioxide gas sensor to your device. 3.Choose the graph template. 4.Seal the empty sampling bottle with the carbon dioxide ...

    • [DOC File]Separation of Photosynthetic Pigments using Paper ...

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      6. Set up and run the spinach oxygen production measurements. 7. Set up and run the manometer experiment (effect of wavelength on Ps) A. Photosynthetic “Photography” As pointed out above, in the light dependent reactions of photosynthesis, photon energy is absorbed by pigment molecules and transferred to a reactive chlorophyll a molecule ...

    • [DOCX File]PLANT RESPIRATION AND PHOTOSYNTHESIS

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      Observing Photosynthesis. Spinach Disk Lab. Written Instructions. Goal: Materials: Light Source at two different heights (15cm and 30cm) 150ml Beaker. Sodium Bicarbonate Water. Syringe. Spinach Leaf. Hole Punch. Goggles. Safety: Be sure to wear your goggles during the lab. Do not allow the liquid to squirt out of the syringe, it can injure and cause damage . Instructions: Add 100ml of sodium ...

    • [DOC File]A Measure of Photosynthetic Rate In Spinach Leaf Disks

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      In the cells of plant leaves, chloroplasts carry out photosynthesis. Sunlight provides the energy needed for this process. Sunlight is composed of different colors (red, orange, yellow, green, blue, and violet)—each color corresponds to a narrow range of wavelengths. The structure of a pigment molecule allows it to absorb some wavelengths and reflect others. A colorimeter or spectrometer can ...

    • Effects of Photosynthesis of Spinach Leaves in Different ...

      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: Describe the reactants and products of photosynthesis and ...

    • [DOC File]Extraction of Chlorophyll from Fresh Spinach

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      Using a punch made from a small diameter soda straw, cut 10 leaf disks from young actively growing spinach leaves by supporting the leaf with your index finger while pressing and using a twisting motion of the straw. (A) 2. Remove the plunger from a clean 10-ml syringe. Blow the 10 disks into the body of the syringe. Be sure the leaf disks are near the tip of the syringe as you re-insert the ...

    • [DOC File]Part II – Measuring Photosynthetic Rate in Spinach Leaf Disks

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      Photosynthesis can be defined as the process by which plants, algae, and photosynthetic bacteria use light energy to drive the synthesis of organic compounds. The photosynthetic process involves the removal of CO2 from the atmosphere, which is used to synthesize carbohydrates, and results in the release of O2. The energy to drive the chemical reactions of photosynthesis comes from the sunlight ...

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