• Physio
    membrane. 2. Describe one way in which osmosis is similar to simple diffusion and one way in which it is different. Osmosis is similar to simple diffusion is that both processes are passive which means the molecules diffuse from an area of high concentration to an area of low concentration without...
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  • Direction and Concentration Gradients
    Direction and concentration gradients Bradley Benton ABSTRACT In this experiment, we will investigate the effect of solute concentration on osmosis. A semi‐permeable membrane (dialysis tubing) and sucrose will create an osmotic environment similar to that of a cell. Using different...
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  • Osmosis
    experiment is to understand enzyme catalysis. The specific student objectives are: 1. 2. 3. 4. To understand by investigation the mechanisms and physiological importance of diffusion and osmosis. To understand how solute size and concentration gradients affect diffusion across semi-permeable membranes...
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  • Exercise 1 Physioex 9.0
    whereas Short-answer type questions will be worth 2 points each. This lab will be worth a total of 45 points but will be converted to a percentage grade when registered in your “Gradebook”. |ACTIVITY 1: Simulating Dialysis (Simple Diffusion...
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  • Lab Work
    membrane phospholipids. Certain compounds that 2 Exercise 1 (a) FIGURE 1.1 Simple diffusion.(a)Opening screen of the Simple Diffusion experiment. (b)Simple diffusion through the phospholipid bilayer. 01_001_016_PhyEx8_HP_Ch01 1/11/08 7:57 AM Page 2 are intermediates of metabolism are not...
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  • Membrane Permeability
    environment with lower concentration. Osmosis is a type of diffusion when it comes to water transport. Both diffusion and osmoses move substances down their concentration gradient. Facilitated diffusion is also passive transport, but does not involve the simple movement through pores and lipid...
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  • PEX-01-03
    Exercise 1: Cell Transport Mechanisms and Permeability: Activity 3: Simulating Osmotic Pressure Lab Report Pre-lab Quiz Results You scored 75% by answering 3 out of 4 questions correctly. 1. Which of the following is true of osmosis? You correctly answered: c. It is a type of diffusion. 2...
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  • Cell Transport Mechanisms and Permeability
    REVIEW SHEET EXERCISE 1 Cell Transport Mechanisms and Permeability NAME: LAB TIME/DATE: 1. Match each of the definitions in Column A with the appropriate term in Column B. Column A Column B __E__ term used to describe a solution that has a lower concentration of solutes compared to another...
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  • Physioex paper
    an area of low concentration to reach equilibrium. Last, is osmosis which is the movement of solutes through a semipermeable membrane. Materials and Methods: The experiment was accomplished by using the simulated lab experiment in Physio 9.1ex cell transport mechanisms and permeability. All...
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  • Cell Transport Mechanisms and Permeability
    active transport, five experiments were conducted. These tests were done over simple diffusion, facilitated diffusion, osmosis, filtration, and active transport by changing and observing different variables and how they affect transport through the membrane. Obtained was the understanding of the...
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  • osmosis and diffusion experiment
    Experiment 1 Background Diffusion is a process, in relation to the spontaneous movement of molecules from an area of high concentration, to an area of low concentration down a concentration gradient. It is a type of passive transport method, that requires no cellular energy (ATP). This...
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  • Diffusion and Osmosis Lab Report
    termed selectively permeable since they allow water to move freely through the cytoplasm, but block the flow of macromolecules (Morgan, Carter 2005). Osmosis is the diffusion of water through a selectively permeable membrane from an area of low solute/high water concentration (hypotonic) to an area of...
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  • Science Chapters 7-8 Study Guide: Cells
    , they allow charged ions in and out of the cell ▪ The use of transport proteins to aid, or facilitate, the diffusion of particles across the cell membrane is called facilitated diffusion ▪ Always occurs DOWN a concentration gradient - Active Transport (with...
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  • Physio Ex 9.0 Activity 1 Cell Transport Mechanisms and Permeability
    concentration gradient across a selectively permeable membrane. 3. Solutes are sometimes measured in milliosmoles. Explain the statement, “Water chases milliosmoles.” “Water chases milliosmoles” is referring to the diffusion of water or osmosis. Water moves...
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  • Physioex
    01_001_016_PhyEx8_AP_Ch01 2 1/10/08 5:27 PM Page 2 Exercise 1 The diffusion of solute particles dissolved in water through a differentially permeable membrane is called simple diffusion. The diffusion of water through a differentially permeable membrane is called osmosis. Both simple diffusion and...
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  • worksheet
    01_001_016_PhyEx8_AP_Ch01 2 1/10/08 5:27 PM Page 2 Exercise 1 The diffusion of solute particles dissolved in water through a differentially permeable membrane is called simple diffusion. The diffusion of water through a differentially permeable membrane is called osmosis. Both simple...
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  • Biology
    CLASSIFYING TYPES OF SOLUTIONS LAB PRE LAB Q1 1.Diffusion causes homogenous mixing. 2.Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration. 3.Diffusion of particles is down a concentration gradient. 4.Osomsis is the diffusion of water...
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  • Sample of Lab Notebook
    ) Please define all bold terms in your own words: Concentration gradient Diffusion Simple Diffusion Osmosis Facilitated Diffusion Filtration Activity 1 – Simulating Dialysis: In this exercise, we will simulate dialysis and simple diffusion Data: Please submit Chart 1 data in table...
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  • Grace
    Erika Veidis Diffusion and Osmosis Lab I. INTRODUCTION: The random movement of molecules from an area of higher concentration to an area of lower concentration (known as moving down the concentration gradient) is called diffusion. The substance will diffuse in an attempt to reach a...
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  • Biology Osmosis Experiment
    potatoes and describe their appearance. Written Lab Report Introduction 1) Address the following questions: A) Define osmosis. Osmosis is the movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, aiming to equalize the solute...
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