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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Lab 7 – Cellular Respiration Objectives: • To be able to define cellular respiration and fermentation. • To give the overall balanced equations for aerobic respiration and alcoholic fermentation. • To distinguish between inputs‚ products‚ and efficiency of aerobic respiration and those of fermentation. • Understand the relationship between respiration and photosynthesis. Note: You should perform experiments as described in this handout‚ which are adapted from Starr and
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Abstract The effect of nature of substrates on the rate of cellular respiration in yeast was determined by using the Smith fermentation tube method. Mixtures of 15ml distilled H2O‚ 10% yeast suspension and 15ml of the following solutions (all at 10% concentration):1- starch‚ 2 – lactose‚ 3 – sucrose‚ 4 – glucose‚ 5 – fructose‚ 6 – distilled water ‚ were poured in six smith fermentation tubes. Cotton balls were plugged in the openings of the tubes and the tubes were kept upright and observed for
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Photosynthesis review Short Answer 1. How do heterotrophs obtain energy? 2. What is ATP‚ and when is energy released from it? 3. Write the overall equation for photosynthesis in both symbols and words. 4. Photosystems I and II are both located in the thylakoid membrane. What advantage does their proximity provide? 5. What does the Calvin cycle do? 6. What is the difference between an autotroph and a heterotroph? Give an example of each type of organism. 7. Explain how heterotrophs
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Evidence of Photosynthesis Photosynthesis is the process during which a plant’s chlorophyll traps light energy and sugars (glucose) are produced. In plants‚ photosynthesis occurs only in cells with chloroplasts. Water (H2O)‚ carbon dioxide (CO2) and light energy are required. The light energy is absorbed by the green pigment‚ chlorophyll‚ and is converted into chemical energy‚ which causes the water drawn from the soil to split into molecules of hydrogen and oxygen. The hydrogen combines with
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Gas exchange in animals External respiration: not to be confused with cellular respiration‚ although purpose is to provide oxygen and eliminate carbon dioxide Single-celled organisms achieve this by simple diffusion Larger organisms need specialized breathing organs Getting the air into the body is one challenge Circulatory system needed to distribute oxygen to the tissues Specialized blood cells can transport oxygen (solubility in plasma is very low) The process of breathing Air has much
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Glycolysis Glucose cannot be used as directly by cell as a source of energy so cells use ATP as their immediate source of energy. * This conversion of glucose into ATP takes place during cellular respiration and there are 2 different forms of cellular respiration depending upon whether oxygen is available or not * Aerobic respiration requires oxygen and produces CO2‚ water and lots of ATP. * Aerobic has 4 stages: 1) Glycolysis – the splitting of the 6-carbon glucose molecule into
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Honors Biology Study Guide Cells‚ organelles and Microscopes 1) * Ocular-Contains a magnifying lens that focuses the image from the objective into your eye. * Body tube- tube that holds eyepiece and connects the objectives. * Turret- part that holds two or more objective lenses and can be rotated to easily change power. * Objectives- increases the magnification used for viewing. * Stage-Supports dish in correct location to lens. * Stage clips- holds down the dish containing
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Bolding_____________ Date________________ Cellular Respiration Webquest Worksheet (from: http://zunal.com/webquest.php?user=19049) Directions: Answer in your own words behind or under the questions. Do not copy and paste unless told to do so and then use quotes. Part I. Process Overview http://staff.jccc.net/PDECELL/cellresp/respintro.html Read the entire page! These questions are not in order! How is cellular respiration like combustion (burning)? [2nd paragraph]
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Lab 8 Cellular Respiration and Fermentation Objectives: 1. Observe the effects of cellular respiration on temperature in a closed system. 2. Investigate carbon dioxide production in both germinating pea seeds and crickets. 3. Perform an investigative study of the rate of cellular respiration in both pea seeds and crickets at various temperatures. 4. Compare the alcoholic fermentation of glucose‚ sucrose‚ and starch by yeast. Introduction All organisms must have a continual
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