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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Decort 1 Mikaela Decort Mr. Johnsmeyer English 102‚ Essay #2 The American Dream in “A Raisin In The Sun” A Raisin in the Sun is a play that focuses on the “American Dream” and one’s conception of a “better life”. Each character in the play has their own view on what that dream is and what they perceive a better life to be. Hansberry focuses on the importance of achieving one’s dreams regardless of the various harsh struggles in life. Mama has dreams of providing her family
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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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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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Osmosis Experiment Dennis M. Feliciano Grand Canyon University BIO100L Biology Concepts Lab June 25‚ 2011 Osmosis Experiment Materials Grapes (unblemished) Raisins (larger is better) Water Salt Four small containers (i.e.‚ drinking cups or clear glasses) A metric ruler Methods and Procedure Place 1 cup (236 ml) of water in each of the 4 containers. In 2 of the containers‚ add 1 tablespoon (14.8 ml) of table salt and mix well. Measure the length and width of a raisin and place
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1 DESIGN 1.1 Defining the problem Focus / Research question How does osmosis work and what effect will this have on the raisin at different sucrose concentrations? Hypothesis The raisin in the beaker with most diluted sucrose solution will gain the most mass‚ therefore the control (0% sucrose solution) should be the most successful (in relation to the aim.) Background Information / theory Osmosis may occur when there is a partially permeable membrane‚ such as a cell membrane
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everyone will achieve their dreams and some‚ because of sad circumstances lose their grip on their dream and fall into a state of disappointment. Langston Hughes poem relates to the dreams of Mama‚ Ruth‚ and Walter in Lorraine Hansberry’s play A Raisin in the Sun. Ruth has to listen to Walter’s extravagant dreams of being rich and powerful all the time and know that these dreams will never happen. They are very poor and Travis must sleep on the couch because they only have a two-room apartment
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of the family. Beneatha Younger was the epitome of the change in generations. She would use God’s name in‚ what the older generation would call‚ vain. By simply shrugging and saying how much cleaning can a house need‚ for Christ’s sake‚ she was using God’s name the wrong way. This was a problem for Beneatha because she didn’t believe that God was the one and only. He wasn’t the one who did the work‚ paid the bills‚ etc. But Mama and Ruth got mad when she simply stated her opinion. The belief of
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a family. Personally speaking‚ being nurturing means to love‚ care for‚ and show concern over someone. Analyzing Mama ’s relationships with family members can show us her view on parenting and ultimately show us her devotion to her family. In A Raisin in the Sun‚ by Lorraine Hansberry‚ Mama is a nurturing mother who cares for and protects her family in her struggle to keep them unified. Not only does Lena Younger protect Travis from getting yelled at by his mother‚ but also she protects his feelings
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Osmosis using potato cores and sucrose solution 1.0 Abstract This experiment’s ultimate goal is to find the water potential of the potato cell. This was achieved through placing potato cores in different concentrations of sucrose (0.2%‚ 0.4%‚ 0.6%‚ 0.8%‚ 1.0%‚ 2.0%‚ 3.0% and 4.0%) solution and to observe how much water was gained or lost through osmosis to reach a prediction of the concentration within the potato cell. The results displayed that the concentration of sucrose within the potato cell
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