transport of water molecules across a selectively permeable membrane” (Lab Manual 2nd edition). It was hypothesized that osmosis will occur when there is an uneven distribution of solute in a solvent. The more abundant the solute is in solvent‚ the higher the rate of osmosis through the diffusion gradient forming a hypertonic or hypotonic solution. Solvent with equal or no solute forms an isotonic solution. Throughout this lab‚ data was collected and compiled to analyze these effects across selectively
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The Effect of Salt Concentration on Osmosis in Potato Cells We should first explain what Osmosis is. It’s a passage of water from a region of high water concentration through membrane to a region of low water. Semi membrane is a very thin layer of material‚ which allows some things to pass through them but prevent other things from passing through. The cells allow small molecules like Oxygen‚ water‚ Carbon Dioxide‚ Ammonia. But will not allow larger molecules like Sucrose‚ Starch‚ or protein‚ etc
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Osmosis Lab: The Incredible Egg How does the solution a cell is in effect the movement of substances into and out of the cell? Eggs were soaked in vinegar for twenty-four hours before the lab to dissolve the shell‚ then placed them into the distilled water. Then the eggs were taken out and dried by the paper towel to measure their weight on the electronic scale. First egg weighted 78.92g‚ most of the parts of it’s skin was white translucent‚ and was spongy. After the egg was submerged into the
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Today is my fifth clinical assignment here at Salt Lake Regional Medical Center the first of two assignments in same day surgery. I had the opportunity again to work alongside Adriana. I was not sure what to expect‚ I had heard other stories from classmates of the surgeries themselves‚ but not much on what how the nursing process works for the operating room nurse. The role that the nurse has during the surgery is a purely supportive person for the surgeons and both the anesthesiologist and surgical
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CE121: Construction Materials Laboratory Report No. 1 Particle Size Distribution Van Joseph E. Casalme 2010-14928‚ BS Civil Engineering Institute of Civil Engineering‚ College of Engineering University of the Philippines Diliman‚ Diliman Quezon City 1101 Submitted to: Engr. Christian R. Orozco ABSTRACT This test (ASTM C136-06) determines the grading of materials being used as aggregates using two parameters (coefficient of uniformity and gradation) from particle-size distribution
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A Comparative Analysis Between “Araby” and “The Bread of Salt” Age brings maturity‚ experience ripens it. ― Vimal Athithan Reality isn ’t the way you wish things to be‚ nor the way they appear to be‚ but the way they actually are. ― Robert J. Ringer These two quotes capture what James Joyce’s Araby and N.V.M. Gonzalez’s The Bread of Salt are all about – maturity and realization. Araby and The Bread of Salt are both coming of age stories‚ featuring an adolescent boy’s first experience with love
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The Virtual Lab – ELISA Test Lab: Immunology 09/04/2013 Instructors: Dr. Charlie Wilson Written by: Dipen Patel I. Objective: The purpose of the lab was to learn the procedure of performing an ELISA test to determine whether a particular antibody is present in a patient’s blood sample. ELISA is an abbreviation for “Enzyme-linked Immunosorbent Assay." II. Introduction: The interaction of antigen and antibody outside the body can be used to determine if patient
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I’VE BEEN IN riots and this was not a riot‚" Salt Lake City Police Chief Rick Dinse said at a news conference at midmorning Sunday. " I believe it was the right amount of force at the right time." Dinse said windows in several buildings and at least one vehicle were damaged during the clash‚ which began when individuals in a boisterous crowd in the thousands became unruly after the Bud World beer garden attraction was closed after reaching capacity. Dinse estimated damage could reach
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the privilege to gather salt charges in San Elizario‚ El Paso prompted an immense clash between: two businessmen‚ a lawyer from Missouri‚ and a politician. W.W. Mills‚ Albert J. Fountain‚ and Louis Cardis attempted to get a title for the salt deposits near the Guadalupe Mountains. This absolutely enraged the Mexican Americans‚ who at first had been gathering salt for free‚ however they were now faced with paying salt fees. Mexican Americans would utilize the gathering of salt to use for preserving
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freezing points of water‚ 10% antifreeze‚ and 20% antifreeze utilizing an ice bath and a really cool thermometer. Apparatus Procedures Preparing the Ice Bath 1. Fill the tub ¾ full with ice. 2. Cover the ice with a respectable amount of salt. 3. Add water and stir that bad boy‚ the water should be standard temperature in a fwe minutes. Fill the test tube with any amount of water and submerge promptly *Check the test tube every few seconds until frozen. Record temperature. Repeat
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