Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 or 23 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through?50‚100‚ 200 4. Which materials diffused from the left beaker to the right beaker? Urea‚ NaCl and glucose diffused 5. Which did not? Why? Albumin was too large to diffuse into the right beaker. Activity 2: Simulating Dialysis 6. What happens to the urea concentration
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The most notable demographic difference between early dropouts and early persisters is that early drop out were older. Some older students‚ they are more likely to be married can’t be like younger students or they don’t have their own time to study for their education because they have a lot of problems on their family‚ most of the women students have to take care of their children‚ and some have to take care household and their family. They are more likely to be housekeeper for their husband. Also
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9. Describe the differences between the universal and the contingency leadership theories. Explain your answer in sufficient detail to demonstrate your understanding. Be specific using the materials in your text and not a generalized or philosophical statement. Hint: both the trait and behavioral leadership theories were attempts to find the “one best leadership style in all situations”; thus they are called universal leader theories. According to Stogdill and Mann‚ it was illustrated that traits
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Surface Area to Volume Ratio and the Relation to the Rate of Diffusion Aim and Background This is an experiment to examine how the Surface Area / Volume Ratio affects the rate of diffusion and how this relates to the size and shape of living organisms. The surface area to volume ratio in living organisms is very important. Nutrients and oxygen need to diffuse through the cell membrane and into the cells. Most cells are no longer than 1mm in diameter because small cells enable nutrients and oxygen
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Wilson Pd:4th 11/16/12 Introduction In this experiment diffusion and osmosis is the main idea. When using diffusion and osmosis you are trying to separate different solute concentrations on either side of the membrane. Only a solute’s relative concentration‚ or water potential‚ affects the rate of osmosis. The higher the concentration of solutes‚ the faster water will flow through the membrane to equalize the concentration. The way we describe the movement from higher to lower concentration or lower
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an essay on the following topic: "Discuss cultural differences as they exist in American and Vietnamese culture and suggest some ways to overcome them." CONTENT The difference of culture impacts so much to the way to living‚ the way of thinking and the way of doing business. America and Vietnam have a big difference in culture‚ religion and business. However‚ we live in a world where it is called flat world‚ where there is no restriction between countries. It requires us to integrate in order to
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Diffusion Introduction Diffusion is the net movement of ions or molecules from a region of high concentration to a region of low along the concentration gradient until equilibrium has been reached. The steeper the gradient the faster the rate of diffusion. There are a few types of diffusion. Three (3) of those are: Facilitated Diffusion- refers to diffusion of substances across a cell membrane with the help of transport protein. Dialysis- refers to the diffusion of solutes across a semipermeable
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Task 2 CYP 3.1 (1.2) Explain the difference between sequence of development and rate of development and why is this difference important. Sequence of development refers to the normal sequence in which children learn different skills‚ and the rate of development refers to the speed in which a child will develop. However‚ according to Burnham et al (2010) the difference between the sequence of development and the rate of development is that the sequence refers to the normal or expected sequence
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their deed recorded first. In a race notice jurisdiction the subsequent purchaser will prevail over the earlier purchaser if the subsequent purchaser did not know‚ and their deed is recorded before the earlier purchaser’s deed. Ultimately the difference between the notice and race notice is determined by notice and the deed of the property. Under notice jurisdiction the deed from the earlier purchaser was not recorded and the subsequent purchaser did not know of the purchase. Under race notice jurisdiction
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young person development Task 2 – Explain the difference between sequence of development and rate of development and why the difference is important. The sequence of development is the order in which development takes place. Although some stages of development may be missed (for example some babies do not crawl and go straight from shuffling to walking) the sequence is usually followed by children and the order usually remains the same. The rate of development is the time-frame given for the
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