of different concentrations of saline solution on Red Blood Cells. When a Red Blood Cell is submersed in a high concentration of saline solution it will create a hypertonic environment and therefore cause the cell to rupture due to the process of osmosis. The methods used to collect data were observation and note taking. Overall the results proved the hypothesis correct with major findings being a higher concentration of salt causing a hypotonic environment and a low concentration. Recommendations
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Using Sucrose Solutions to Determine Osmolarity of Potato Tubers Based on Weight By Thomas Pelikan Biology 200A Section 004 Kimberly Schmidt October 2‚ 2012 Abstract: In this experiment we were trying to determine the osmolarity of potato tubers by weighing them before and after incubating them in solutions of sucrose with varying molarities. To find the osmolarity we took a potato and used a cork borer to obtain seven samples of potato tubers. We then prepared seven beakers with concentrations
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more to it than I first expected‚ I never really thought of how complicated it actually was and how much water that involved. Most companies involved in these commercial jobs are larger companies‚ there are five Engineers working on this particular area of the project‚ his department is only involved in water pressure as a whole‚ and how much pressure each individual outlet needs‚ therefore they have to figure the combined pressure to supply enough for every outlet‚ there is a lot more to engineering
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special needs -feel secure‚ comfortable and a place where they belong. The interest areas should allow the children choices to explore‚ make things‚ experiment‚ and pursue their interests. The choices should include"quiet zone" areas for reading‚ art activities‚ and games. Areas should also be set for block building‚ dramatic play‚ woodwork‚ sand and water (discovery table) for active engagements. All the interest areas should accommodate a few children at a time‚ in a well defined space‚ so that children
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Egg Osmosis Lab The purpose of this lab was to demonstrate an example of a spontaneous reaction and its connection to metabolism; in this case it was osmosis. The procedures that we used to complete the experiment were taking five eggs that had been soaked in a sucrose solution and then placing each one in containers of sucrose that each had different levels of concentration. The mass of each egg was measured before being placed into the solutions and then every 10 minutes after until they had soaked
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Carp Bait - Part Four Fishing with surface baits is both an exciting and very productive method for catching carp. On many waters‚ it’s often an under-used tactic‚ which is a big mistake‚ because some of this country’s biggest and most sought-after carp are often caught on surface baits at this time of the year. Even if the lake that you are targeting has been hammered on floaters and the carp are starting to wise up to the approach‚ often a change to an alternative floating hook bait is all that
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Kinetics 6.1 Rates of reaction 6.2 Collision theory 6 16.1 Rate Expression (AHL) 16.2 Reaction mechanism (AHL) 16.3 Activation energy (AHL) 6.1 Rates of reaction 6.1.1 Define the term rate of reaction. 6.1.2 Describe suitable experimental procedures for measuring rates of reactions. 6.1.3 Analyse data from rate experiments. © IBO 2007 Figure 601 An explosion is a quick reaction D ifferent chemical reactions occur at different rates (i.e. speeds). Some
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Explain each of the areas of learning and development and how these are interdependent. Personal social and emotional has three aspects‚ making relationships‚ managing feelings and behaviour and self-confidence and self-awareness. This area is all about the child’s relationships with other people and themselves. Children need to develop relationship with the people around the for example the children they play with and come into contact with. The staff that work in that room and their family members
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energy. This kinetic energy is the motivating force in diffusion. During diffusion‚ molecules that are small enough to pass through a membrane’s pores or molecules that can dissolve in the lipid bilayer of a membrane move from an area of higher concentration to an area of lower concentration. Facilitated diffusion occurs when molecules are too large to pass through a membrane or are lipid insoluble. Thus‚ in the process‚ carrier protein molecules located in the membrane combine with solutes and
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contain an engine‚ although in some amphibious aircraft the single engine is mounted on a pylon attached to the fuselage which in turn is used as a floating hull. The fuselage also serves to position control and stabilization surfaces in specific relationships to lifting surfaces‚ required for aircraft stability and maneuverability. Types of structures 1: Subsonic 4: High-maneuverability supersonic 2: High-speed / supersonic 5: Flying boat 3: High-capacity subsonic 6: Hypersonic Truss
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