INET Lab Report 2 Microscope and the Cell Template Student: Mavon Riley Email: shantariley@yahoo.com Date: 09/05/2014 I. Purpose of the Microscope II. The Compound Microscope EXERCISE 2.1 – Label the parts of the compound microscope 1. Eyepiece 2. Arm 3. Course Adjustment 4. Fine Adjustment 5. Revolving Nose piece 6. Objective Lenses 7. Stage Clips 8. Stage 9. Iris Diaphragm Lever 10. Condenser 11. Light Source 12. Base EXERCISE 2.2 – Calculate microscope
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carbon fixation that concentrate CO2 at the site where rubisco is found‚ thereby suppressing photorespiration. 6. (a) The most malate in a CAM plant would be found late at night. (b) The least malate in a CAM plant would be found at the end of the day. (c) CAM plants close their stomata during the day to prevent water loss‚ as they live in dry environments. (d) The gas that is preferentially absorbed during the cool evening is CO2. (e) During the dark‚ CAM plants take in CO2 and incorporate it into C4
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Biology 1003 - Cells: Size‚ Structure and Microscopy Introduction What is life? What are the key factors that biologists have defined that apply to every single organism on the planet? In the 17th century‚ due to the amazing advancement of the microscope‚ biologists created a theory to differentiate the living from the non-living called the cell theory. One concept from the theory is that all living organisms are composed of one or more cells. The importance of studying cells is akin to the
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and carbon dioxide. Photosynthesis Plants take in carbon dioxide and water and use them to make food. Their food is simple sugar — glucose. Photosynthesis (continued) Plants pull the carbon off CO2 and use the carbon in glucose. (They do not need the oxygen for this. They get that from water‚ H2O.) Plants release the oxygen (O2) back into the atmosphere. Other organisms use the free oxygen for respiration. How are photosynthesis and cellular respiration
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Photosynthesis Green plants absorb light energy using chlorophyll in their leaves. They use it to react carbon dioxide with water to make a sugar called glucose. The glucose is used in respiration‚ or converted into starch and stored. Oxygen is produced as a by-product. The equation for photosynthesis: Carbon Dioxide + Water (+ Light Energy) → Glucose + Oxygen Symbol equation: 6CO2 + 6H2O ------> C6H12O6 + 6O2 (http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/plants/plants1
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Lil Dejay C4 2/10/14 Photosynthesis: Making Energy Chloroplasts Photosynthesis is a process in which sunlight energy is used to make glucose. The site of photosynthesis is in the chloroplast – an organelle found in the leaves of green plants. The main functions of chloroplasts are to produce food (glucose) during photosynthesis‚ and to store food energy. Chloroplasts contain the pigment‚ chlorophyll. Chlorophyll absorbs most of the colors in the color spectrum‚ and reflects only green and yellow
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is in absence of CO2 and is kept in a closed environment‚ then it will have a starch level of 1 because the plant is missing CO2‚ which it needs to complete the photosynthesis process. 2. If the plant is in a closed environment‚ then the plant will have a starch level of 3 because it has all the environmental conditions it needs. 3. If the plant is kept in a dark environment‚ then it will have a starch level of 1 because it’s missing a fundamental resource needed for photosynthesis. 4. If the plant
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released as CO2 via respiration and combustion 2. CO2 is absorbed by producers (grass‚ plants etc) 3. Animals feed off of the plant‚ passing on carbon throughout the food chain‚ losing some carbon as CO2 respiration. 4. When the animal dies‚ it is eaten by decomposers‚ and the carbon returns to the atmosphere 5. If decomposition is blocked‚ the animal or plant material may become fossil fuel in the future for combustion. Word and symbol equations ▪ Photosynthesis: 6H2O + 6CO2
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Multicellular organisms 2. Cells contain chloroplasts and are able to carry out photosynthesis 3. Cells have cellulose cell walls 4. They store carbohydrates as starch or sucrose. Examples include flowering plants‚ such as a cereal (e.g. maize) and a herbaceous legume (e.g. peas or beans). Animals: 1. Multicellular organisms 2. Cells do not contain chloroplasts and are not able to carry out photosynthesis 3. Cells have no cell walls 4. They have a nervous system 5. They
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But remember your primary school science classes‚ when you learnt that plants practice a ‘magical’ process called photosynthesis? A plant needs light and water‚ to turn carbon dioxide into carbohydrates‚ and oxygen is the waste product of this process. However‚ that is simple science meant to raise the curiosity of a child. The reality is‚ there are three types of photosynthesis‚ and the third type you will read about here‚ will help you understand why there is a wide misconception
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