The purpose of this lab was to observe the rate of osmosis and diffusion‚ as well as the effect of molecular size of the particles on this rate. Part I of the lab was a demonstration of osmosis and diffusion‚ that dealt with raisins in different liquid environments‚ each with a different concentration of sugar. Part IV of the lab was using the same idea as the demonstration‚ by putting objects in different concentrations of a substance; in this case elodea leaves in salt water. In both cases‚ the
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Reverse Sexual Harassment February 28‚ 2012 Abstract In what is perceived to still be a male-dominated society‚ one of the most ambiguous topics to broach is that of reverse sexual harassment. Reverse sexual harassment refers to the sexual harassment of a male by a female. While it is not perceived as the norm‚ there are several instances of this occurring annually. It is generally supposed the actual number is greatly underreported due to the nature of the offence. Both sexual and reverse
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Dreams and Raisins A Raisin in the Sun is a play by Lorraine Hansberry that debuted on Broadway in 1959. It was the first Broadway play written by a black playwright. The title comes from the poem "A Dream Deferred" by Langston Hughes. The play portrays a few weeks in the life of the Youngers‚ an African-American family living on the South Side of Chicago in the 1950s. The theme expresses the importance of dreams and how achieving those dreams can come with various obstacles and struggles. Hansberry
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experiment‚ one of the big is osmosis‚ and how it had the overall impact in this excitement a little on osmosis. Osmosis takes place when two solutions of different concentrations are separated by a semi-permeable membrane in which the solvent can pass through but not the solute. In our experiment‚ we used a sucrose solution that will be a hypotonic concentration of solute. This tells us that the solution has a lower concentration of water than does the cells. Therefore‚ due to osmosis‚ the cells will gain
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A Raisin in the Sun Act 2 Scene 3 In the book A Raisin in the Sun by Lorraine Hansberry‚ Act 2 Scene 3 Ruth started of the scene by dancing in in the family’s house. She’s very excited that they are going to be moving out in a week‚ to live in Clybourne Park. The man (Karl Linder) arrived at the family’s house and he told the family why they shouldn’t move in or buy the house in Clybourne Park. He stated to them that the younger ones will destroy their community because they are black‚ all the residents
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OSMOSIS LAB BACKGROUND INFORMATION. Dialysis tubing is being used to model a plasma membrane. Isotonic solutions are solutions that have the same concentration of solutes on both sides of the membrane. Hypertonic solutions are solutions that have more solute to the one with less solute. Hypotonic solution are solutions that have less solute to the one with more solute. RESEARCH QUESTION:which dialysis tubing will gain the distilled water and which one will loss its content
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A Raisin in the Sun The American Dream; is it the same for everyone? Lorraine Hansberry shows us the American Dream means different things to different people‚ however‚ in the end; all anyone ever really wants is happiness‚ no matter what that means to them. The characters in this play have hopes‚ dreams and aspirations‚ striving toward their own goals yet coming to the same place and stand up for each other. The American dream is so many things to so many people. It is all based on the culture
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Lorraine Hansberry’s A Raisin in the Sun is a great example of American struggles in society that African Americans faced during the Civil Rights era. The play tells the story of the Youngers‚ a lower-class black family living in Chicago that struggles to gain middle-class acceptance. The Youngers struggle to achieve their dreams throughout the play‚ and their happiness and depression is directly related to the failure to achieve all those dreams. In the play‚ the Younger family represents the mindsets
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Experimental Laboratory Report: An investigation into the rate of osmosis Liana Gohery - 98332250 12/12/2014 Word count - ………3000……….. 1. Abstract This study was conducted to investigate the effect of concentration gradients on the rate of osmosis. Osmosis is the cellular transport of water‚ this study was conducted to show the significance of the rate at which this occurs. Dialysis bags were filled with three different concentrations of sucrose solutions and two with water. They were
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Pursuit of Identity In the play‚ Raisin in the Sun by Lorraine Hansberry‚ Beneatha searches for her identity and starts to find it when her African friend‚ Asagi‚ introduces her to his culture. Beneatha joins groups/activities to discover what her interests really are in hopes of finding her identity. She often gets into activities and never completes them; so when she tells her family she’s taking guitar lessons they poke fun at her: “Mama (Smiling) Lord‚ child‚ don’t you know what to do with
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