Answers to Questions Activity 1: Simulating Dialysis (Simple Diffusion) (pp. 2–4) 9. All solutes except albumin are able to diffuse into the right beaker. Using distilled water in the right beaker and either the 100 MWCO or 200 MWCO membrane will remove urea from the left beaker and leave albumin If the left beaker contains NaCl‚ urea‚ and albumin‚ you can selectively remove urea by dispensing a concentration of NaCl into the right beaker equivalent to that in the left beaker and by using
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In school‚ as in life‚ everyone has certain responsibilities. The Principal is responsible for overseeing the efficient running of the school. The teachers are responsible for seeing that school rules are obeyed‚ that their lesson plans are well written and lessons prepared. Teachers are also responsible for seeing that each of their students learn the material that is presented. Students are responsible for many things as well. All students are responsible for making sure they are ready to learn
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century the theory of the stages of economic development began to evolve. Adam Smith believed that underdeveloped countries went through four stages in order to achieve a high level of economic growth. These stages were titled hunting‚ pastoral‚ agricultural and manufacturing. Karl Marx also believed that there were four stages‚ he titled them capitalism‚ socialism‚ feudalism and communism. It is believed that Rostow’s theory which contains 5 stages is an extension of these theories. In the 1950’s
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Marie Gorjon Mrs. B Anatomy & Physiology 168 March 14‚ 2014 Diffusion across a Selectively Permeable membrane Introduction: Diffusion is movement of molecules from one area of concentration to another. This process is vital for the life functions of cells. Cells have selectively permeable membranes that allow only certain solutions to pass through them. Osmosis is a special kind of diffusion that allows water to go through semi-permeable membranes of high water potential to a region of lower
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As trade along the Silk Road grew‚ Chinese weavers wanted to design silks that would appeal to other cultures. (Cultural Diffusion & the Silk Route of Ancient China) Some examples of this are the silk rugs called “ The Tree of Life‚” that reflected upon the Persian culture. This rug contained the roundel animal symbol and scenes of saddled horsemen. They used thread wrapped
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Osmosis and diffusion are sometimes mixed up without much thought‚ but they are very different in many ways. Osmosis is a defined as the movement of water through a semipermeable membrane (). The membrane is fully permeable for the small water molecules‚ but is selectively permeable to any substance that is lager that a normal water molecule. One example might be a glucose and water mixture‚ when the solute is put into one side of a U-shaped tube that has a semipermeable membrane between the solvent
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Name: Leslie Estrada Exercise 1: Cell Transport Mechanisms and Permeability: Activity 1: Simulating Dialysis (Simple Diffusion) Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. The driving force for diffusion is You correctly answered: b. the kinetic energy of the molecules in motion. 2. In diffusion‚ molecules move You correctly answered: a. from high concentration to low concentration. 3. Which of the following dialysis membranes has the largest
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Jean Perrin‚ a French physicist who later won the Nobel prize‚ spring boarded off of Einstein’s work. Using Brownian motion as evidence‚ he proved in 1911‚ once and for all‚ that matter is made of atoms and molecules. Diffusion Diffusion‚ also called molecular diffusion‚ is the process by which molecules of a given substance move from an area of relatively high concentration to an area of lower concentration. When the molecules have diffused so that they are in a uniform concentration‚ this
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satisfactorily perform or complete a task that one must fulfill‚ and which has a consequent penalty for failure. Responsibility is a characteristic that can make any individual successful in life. No matter what you do‚ whether at work‚ school or home‚ having responsibility and acting responsibly are key traits. Many jobs and other positions look for an individual who has responsibility. If an individual lacks this trait‚ it is easy for them to be fired or let go‚ possibly from something they may
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Pvt Hogue‚ Ryan 15‚ AUG 2012 RESPONSIBILITY There is no philosophically well-settled way of dividing or analyzing the various components of responsibility‚ and some components are often ignored by philosophers. To take a more comprehensive approach‚ this article divides the responsibility of individuals into four areas of enquiry. Recent analytic moral philosophy has tended to ask two deceptively simple questions about responsibility like; “What is it to be responsible?” and “What is a person
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