Biology Course Work MyungJae BAEK (10Bio02) Do NOT delete anything I have written in red. Make any corrections in blue so I know what to re-read Osmosis Diffusion is the net movement of particles from an area of high concentration to an area of low concentration. Then what is osmosis? Basically‚ osmosis is the same action with diffusion but in water. To describe more precisely‚ osmosis is the net movement in water across partially permeable membrane‚ which mean the membrane allows
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Experiment 1 Background Diffusion is a process‚ in relation to the spontaneous movement of molecules from an area of high concentration‚ to an area of low concentration down a concentration gradient. It is a type of passive transport method‚ that requires no cellular energy (ATP). This movement occurs‚ until a state of equilibrium has been established on both sides of the membrane. The diffusion of molecules happens at cellular level‚ through a cell membrane via the pores. The cell membrane
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Cited: Vincent Lebot ( 2009‚ tropical root and tuber crops. CABI: Wallingford Oxfordshire 77‚153-159 ) (Bradbury and Holloway 1988; Wanasundera and Ravindran 1994; Agbor Egbe and Treche 1995) (Practically Edible the Web’s Biggest Food Encyclopedia‚ 2009). James A. Duke ( 2005‚ genetic resources and tuber crops evolution: Nigeria‚ 52 755-763 ) (Lebot 2009). (Bradbury and Holloway 1988; Wanasundera and Ravindran 1994; Agbor Egbe
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region‚ its operations could be divided into * Crops * Animals * extension services CROPS The organization has been providing farmers with maize‚ beans‚ pigeon pea‚ cowpea‚ tomato‚ and amaranth seeds‚ potatoes‚ cassava and sweet potato vines for planting The region being of high agricultural potential‚ the crops did exceptionally well. The major crops for which survey was done were as follows: i. MAIZE The farmers were provided with improved maize varieties such as Nduma
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| Q4. Give examples of plants‚ which reproduce by: - a) Spore formation – Bread Mould‚ Ferns or Mosses. b) Fragmentation – Spirogyra c) Vegetative propagation by roots – Sweet Potato‚ Dahlia or asparagus. d) Vegetative propagation by Stems – Potato‚ Ginger‚ Sugarcane. e) Vegetative
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Michelle Yeung Bio 101 Cyrus MacFoy June 16‚2015 Diffusion and Osmosis Exercise I. Molecules are always in constant movement. Molecular motion is a form of energy‚ the kinetic energy of molecules. The Brownian movement is the movement of small particles caused by the bombardment of the particles by millions of water molecule. This movement will continue indefinitely as long as there is water. My prediction for this lab is the solution of the water is hypertonic meaning there is a higher concentration
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PepsiCo entered India in 1989 and has grown to become the country’s largest selling food and Beverage Company. One of the largest multinational investors in the country‚ PepsiCo has established a business which aims to serve the long term dynamic needs of consumers in India. PepsiCo nourishes consumers with a range of products from treats to healthy eats that deliver joy as well as nutrition and always‚ good taste. PepsiCo India’s expansive portfolio includes iconic refreshment beverages Pepsi‚
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An Investigation on the rate of reaction of the enzyme Catalase on the substrate Hydrogen peroxide. Plan Aim: To investigate the rate of the effect of Catalase on hydrogen peroxide. Introduction This investigation will be carried out to investigate the rate of reaction of the enzyme catalase on the substrate hydrogen peroxide. Enzymes are biological catalysts‚ which speed up the rate of reaction without being used up during the reaction‚ which take place in living organisms. They do this by
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A Clouded Past History is as foggy and undiscovered as the future‚ indeed the textbooks our parents read in school are radically different from those that we learn from today. And our children will no doubt learn a history that we can only imagine in our present. As our technology develops‚ we find new ways to discover the past and‚ in many cases‚ that discovery disproves theories we previously held about ancient times. One such example can be found in a new theory that
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weight change in potato cubes 2) To determine the isotonic solution concentration for the potato Hypothesis: 1) If the concentration of the salt solution is higher than the concentration in the potato cubes‚ the percentage of weight change in potato cubes will be higher (positive). If the concentration of the salt solution is the same as the concentration in the cell‚ there will be no net movement of water through osmosis therefore there will be no percentage of weight change in potato cubes 2) The
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