Practical 7 Osmosis Name: Diana Baktybayeva Tutorial Group: D Lab Partner: Nurlan Mukazhanov Day: Monday afternoon Date: 17.11.14 Title: Osmosis Introduction. Osmosis is a particular type of passive transport involving the movement of water molecules from the region of low solute concentration to the region of high solute concentration through semi permeable membrane‚ which allows movement of solvent molecules‚ but not solute. The main principle of osmosis is to equalize
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Biology laboratory work: Osmosis observation Measuring the dependence of net mass gain in potato pieces on concentration of sugar solution By Jonas Kulikauskas Siauliai Didzdvaris Gymnasium Hypothesis: The more sugar in solution‚ the more potato mass will decrease. Aim: To see how potato mass will change at different concentration solution. Research question: How the mass of potato will change at different concentration solutions? Variables: Dependent: solution concentration. Independent:
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and air as the control. When performing this experiment‚ the main element to consider is hypertonic‚ hypotonic and isotonic solutions and how they relate to osmosis. Osmosis is the process where a fluid passes through a semipermeable membrane‚ which moves from an area which the solute is present in high concentrations. As a result of osmosis‚ there will be an equal amount of fluid on either side of the barrier‚ creating an isotonic solution. When cells are placed in an isotonic solution‚ the movement
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Abstract This experiment was designed to answer the question does temperature affect the amount of osmosis? The hypothesis predicted was that the higher the temperature the more osmosis would occur‚ but too high the osmosis would halt due to enzyme and substrate overheating and losing shape. After research and class time it was concluded that osmosis is a passive transport and would not require energy or enzymes due to it going from high to low concentrations with the gradient
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Incredible Egg Procedure: On October 5‚ I gathered a large Styrofoam cup‚ an egg‚ some vinegar‚ some corn syrup‚ and some water. Before I started the lab‚ I weighed the egg on a scale. Because the egg would just roll off the scale if I set it down by itself‚ I weighed the cup‚ and then added the egg. After I knew how much the egg weighed‚ I poured enough vinegar in the cup to submerge the egg. I then covered the top of the cup with plastic wrap and set the egg aside. The next day‚ I washed the egg and
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will start seeing quite a few sales on eggs. Why? Eggs are one of the main staples in the Easter holiday tradition. Everyone gets together the night before Easter and colors their eggs a wide range of colors to put in their Easter baskets for the Easter Bunny to hide. An egg seems like such a simple food item‚ very few people ever wonder what all had to happen in order for them to be able to buy their eggs from the grocery store. If there were suddenly no eggs to color for Easter I am sure everyone
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Egg drop projects teach students to use logic and teamwork to protect their eggs from a fall. There are a variety of ways to conduct an egg drop. Begin by explaining the process and handing out eggs to the students. Set the parameters of your egg drop and a deadline when your students must be ready to drop their eggs or go bust.1.Get an egg-eating snake‚ give it the egg and wait until the egg is about half way down the snake‚ then fit the snake with tail flights (cf a dart)‚ then drop said snake
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structure of proteins. We used a raw egg and noted the changes that happen when there were changes in temperature‚ pH levels‚ and salinity. Five eggs were cracked open and placed into different bowls with different solutions placed into each bowl. What we looked at was the process of denaturing of proteins seeing how it affected the composition of the raw egg between the yoke and white portion. My hypothesis for this experiment is: Solution 1 will case the egg to denature and separate‚ Solution 2
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“Egg Baby” – What did I learn by caring for mine? This project gave me a sneak peak on what it’s going to be like as a parent‚ but not even close to the real thing. At first I thought this project was going to be a breeze‚ but once I got into it I was all wrong. Taking my egg‚ Lily‚ everywhere with me was a pain. I had to worry about her “baby seat” and make sure it was safe for her. Going through the crowded halls at school was quite difficult also. I had to make sure she was close by my
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my aunt’s turn and when we went to eat the mashed potatoes they were super salty. After thanksgiving dinner that year I became interested in figuring out how the using the same recipes the outcome could be so different. Background Information: Osmosis is the of a solvent across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. The water being the solvent can move across the membrane but the salt
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