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[PDF File]BACKGROUND - College Board
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prerequisite for open inquiry into the variables that may affect photosynthesis. First, during class discussions, students consider a number of variables that might affect the rate of photosynthesis in plants — both physical variables and biotic variables. Likewise, students consider variables that might affect the floating disk procedure itself.
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[PDF File]The Floating Leaf Disk Assay for Investigating Photosynthesis
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The problem with ET50 is that it goes down as the rate of photosynthesis goes up- -it is an inverse relationship and creates the following type of graph (data from Steucek, et al. 1985.):
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[PDF File]Floating Leaf Disk Assay
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Floating Leaf Disk Photosynthesis Lab Introduction: Photosynthesis is a process that converts carbon dioxide into sugars such as glucose using energy from the sun. When light is absorbed by pigments in a leaf, the energy absorbed is used to incorporate the carbon
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[PDF File]Origin of photosynthesis - Answers in Genesis
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In a recent Nature article, the origin of photosynthesis is discussed and begins with the term invention. “The invention of oxygenic photosynthesis was a small step for a bacterium, but a giant leap for biology and geochemistry” (emphasis added).2 I think two terms need to …
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[PDF File]Science Enhanced and Sequence Photosynthesis
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Background Information The word photosynthesis is taken from Latin words meaning “putting together with light.” Photosynthesis is responsible for life on Earth. This process takes place in …
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[PDF File]IB Biology Higher Level Lab Report
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1 Title: Investigate the effects of sodium bicarbonate and light intensity on the rate of photosynthesis of green spinach leaves through the observation of floating leaf disks Background information: When light is absorbed by leaf pigments such as chlorophyll a or b, electrons within each photosystem
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[PDF File]Chapter 10: Photosynthesis
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Chapter 10: Photosynthesis This chapter is as challenging as the one you just finished on cellular respiration. However, conceptually it will be a little easier because the concepts learned in Chapter 9—namely, chemiosmosis and an electron transport system—will play a central role in photosynthesis.
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[PDF File]ORISE Lesson Plan: Relating Photosynthesis & Cellular ...
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Background Information: Photosynthesis and cellular respiration should have been taught in class prior to this activity. Photosynthesis is a series of chemical reactions that some cells use to create sugars from carbon dioxide and water in the presence of sunlight. This produces oxygen gas as a waste product.
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[PDF File]PHOTOSYNTHESIS
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Photosynthesis (photo-light; synthesis-to put together) is the process by which green plants, in the presence of light combine water and carbon dioxide to form carbohydrates, oxygen is released as a by product. Current knowledge of photosynthesis has resulted from discoveries made over …
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[PDF File]Photosynthesis in Leaf Disks Teacher Preparation and ...
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Photosynthesis in Leaf Disks . Teacher Preparation and Background Information. General Information: Safety: Goggles should be worn during the experiment. Solutions may be handled without gloves and may be disposed of in sink drains. In this experiment, students will use a syringe to vacuum the air from the spaces in the spongy
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Information about photosynthesis