Photosynthesis is a process that allows organisms to trap sunlight energy and convert it directly into potential chemical energy. Enzymes are required in order for the biochemical reactions to occur because they act as a catalyst to convert energy from sunlight into chemical potential energy. Two consecutive steps allow the photosynthesis process to take place. These steps are light-independent reactions‚ and light dependent reactions. The occurrences of Light-independent reactions happen in the
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Photosynthesis Matt Lazar 5/13/96 8th Hr. When you and me eat‚ we find our food. When plants eat‚ they make their own food and energy. They make their food and energy through a process called photosynthesis. Through photosynthesis oxygen is also produced. Photosynthesis is "a process in which green plants synthesize carbohydrates from carbon dioxide and water....The reverse of this reaction provides energy for plants‚ for animals that eat plants‚ for animals that eat animals that eat plants"
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Investigation 5: Photosynthesis Problem: If the leaf disks are treated in a way you know increases the net rate of photosynthesis‚ should they start to float faster or slower? Why? Hypothesis: If the leaf disks were bathed in a red light source‚ then the rate of photosynthesis would increase than leaf disks that are bathed in a regular light source because chlorophyll absorbs red pigment and reflects green pigments. Therefore‚ shining a red light source onto the leaf disks would cause them
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Abstract Photosynthesis is a food making process for algae and plants. The photosynthesis process rate varies from different wavelengths and intensities of light. This lab will evaluate the optimal wavelengths and degrees of intensity during photosynthesis when chloroplast is exposed to light. The mixtures of DCPIP with water‚ PO4 buffer‚ and chloroplast will be prepared in a number of cuvettes. The cuvettes were tested individually at different wavelengths and intensities to find the optimal rate
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In photosynthesis‚ light energy is transformed into chemical energy‚ thus chemical energy is the product. This is different from respiration because respiration transforms chemical energy into energy usable by cells; in this case chemical energy is the source. Photosynthesis occurs in the chloroplasts‚ using the chlorophyll inside of the chloroplasts‚ while respiration occurs in the mitochondria. Photosynthesis produces oxygen as a by-product‚ while aerobic respiration requires oxygen to even work
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References: Birth: | February 11‚ 1847 in Milan‚ Ohio | | Death: | October 18‚ 1931 in West Orange‚ New Jersey | | Swan Electric Light Company Joseph Wilson Swan (1828-1914) was a physicist and chemist born in Sunderland‚ England
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have light‚ air and water in order to grow. Light is a major component because plants need it in order to survive in their habitats because they use it to make food through photosynthesis. Light is also used to reflect off a natural green color‚ which is absorbed by the green pigment‚ chlorophyll. Aim What effects does sunlight and no light have on growing plants? The goal of this lab is to determine the effects of different approaches of growing seedlings and to understand these effects. Hypothesis
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Investigation of the effect of light intensity Equipment: * Data loga * Light sensor * Bulb * Metre ruler X3 Variables: Independent variable – distance of the light sensor from the light source (m) Dependant variable – intensity of light (lux) Control | Why it needs to be controlled? | How will you control it? | Bulb | There are different watts in different bulbs | Use the same bulb‚ but if your one does break half way through the experiment you can use another bulb with the
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|Dense Wavelength Division Multiplexing | |CS496 Research Paper | | | | | | | |Name: Spiros Pilafas | |6/21/2008
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placed under various filters and the percent orange light transmittance through the solution was measured to determine the rate of photosynthesis. This experiment was set up to discover how different wavelengths of light affect the rate of photosynthesis in a spinach‚ DPIP‚ phosphate solution. I proposed that the spinach‚ DPIP‚ phosphate solution under no filter‚ and therefore exposed to all light will have a highest percent orange light transmittance and a highest rate of photosynthesis. The solution
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