G. Y. S. Period: 6 09/11/12 Osmosis Lab I. Objective: The purpose of this lab is to put the solutions in chronological order from least to most molarity. If the solutions are hypertonic then‚ the water will go in and the order of the substances will be C‚ D‚ A‚ B‚ E. II. Materials and Methods: See attached page. Results: Table 1.1 III. Table 1.1 | Initial | Final | % Change | A | 11.4 | 11.86 | 4.03% | B | 11.67 | 15.33 | 33.68% | C | 10.84 | 11.86 | 9.4% | D | 12.02 |
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change in the mass for both the dialysis tubing loaded with the bizarre arrangement and the container of sucrose and water. Demonstrated that dissemination of water had happened over the semi-penetrable dialysis tubing. It’s checked on the grounds that the weight both changed. The outcomes demonstrated to us that spread happened contrastingly for the two arrangements. For arrangement A‚ the dialysis tubing weighed less after osmosis. For arrangement B‚ the dialysis tubing measured more after
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understanding of the differences between the freezing points of pure solvent to that of a solvent in a solution with a nonvolatile solute‚ and to compare the two. Secondly‚ osmosis was to be observed to gain a proper understanding of how the principal of dialysis functions. Procedure: 1. Make a water bath assembly by doing the following: a. Half-fill the 100-mL beaker with cool tap water. b. Place crushed ice in the beaker so the water level is just below the top of the a. beaker
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movement of organic materials in phloem .By the Münch pressure-flow experiment‚ two dialysis tubings are connected by a glass tube. The dialysis tubings only permeable to water or particles which have smaller size than the pores of the tubing‚but impermeable to the larger solutes.As larger molecules such as proteins and polysaccharides(starch) that have dimensions significantly greater than the pore diameter of the dialysis tubing can pass through the tubings and they are retained inside the tubings.Smaller
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Osmosis SECTION ONE: Methods Lab 1 – Diffusion and Osmosis can be broken down into four parts (A‚ B‚ C‚ and D). Lab 1A – Diffusion In this exercise‚ we tested diffusion through dialysis tubing. This was done through a demo with the teacher‚ rather than individually in groups. First‚ a piece of 2.5cm dialysis tubing was obtained. Then one end was folded and clipped securely so that a solution poured into the bag would not leak out. Next‚ the other side of the bag was opened. For step two‚ a
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Checklist for Lecture Exam 1 Chapter 1 ANATOMY : The study of structure PHYSIOLOGY: The study of function. Levels of organization CHEMICAL LEVEL: includes Atoms ( C‚O‚ H‚ N)‚ the smallest units of matter. These 4 are essential to life. Atoms bond together to form MOLECULES. CELLULAR LEVEL: Molecules combine to form Organelles. Organelles function together to form a CELL‚ the smallest unit of life. There are different types of cells with different functions. A cell consists of
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the base of the appendix‚ beneath the Bauhin valve‚ and the appendix is then viewed. If the appendix is hidden‚ it can be detected medially by retracting the cecum and laterally by extending the peritoneal
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concentration gradient‚ simple diffusion does not require energy therefore it is ’passive’‚ substances are diffused across the membrane between the phospholipids. Materials and methods: * 20 mwco dialysis membrane * 50 mwco dialysis membrane * 100 mwco dialysis membrane * 200 mwco dialysis membrane * Membrane holder * NaCl concentration * Urea * Albumin * Glucose * Deionized water * Beakers The experiment wasn’t done in an actual lab‚ but rather using
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Alterations in Fluids‚ Electrolytes‚ and Acid-Base Balance Composition & Compartment Distribution of Body Fluids ← Body fluids are distributed between the intracellular fluid (ICF) and extracellular fluid (ECF) compartments. The ICF compartment consists of fluid contained within all of the billions of cells in the body. It is the larger of the two compartments‚ containing approximately two thirds of the body water in healthy adults. ← The remaining one third of body water is in
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concentrations of tap water and sucrose‚ the group filled a series of six dialysis tubes each having different concentrations. Of the six dialysis tubes‚ two of them were filled with tap water only‚ two were filled with 20% sucrose‚ and two were filled with 40% sucrose. We then gathered six beakers and filled three of them with water‚ one with 20% sucrose‚ and two with 40% sucrose. Each beaker would then have a dialysis tube added it. Of each beaker filled with just water‚ one received a tube
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