Process of Diffusion and its importance in living organisms Diffusion is the movement of molecules or ions down a concentration gradient i.e. from an area of high concentration to an area of low concentration. For a diffusion system to be efficient‚ it should have a large surface area so that high amount of substances can be exchanged at a time. It should also have a thin membrane and a continuous supply of substances‚ as a thin membrane means that the diffusion pathway would be short‚ and the continuous
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Introduction In Diffusion‚ Dialysis & Osmosis lab‚ we discovered that we were going to observe and understand the conditions under which diffusion‚ dialysis‚ and osmosis occur. Then we constructed models of diffusion‚ dialysis‚ and osmosis. We predicted that the direction of change would be from the membrane to the beaker. We understood how these processes affected the selectivity of the cell membrane. The second part of the lab was dealing with dialysis. In this part we studied starch and sodium
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Simple Sentences 1. At the five year old’s’ first‚ chaotic soccer practice‚ the unnamed team’s confluence of kooky ideas led to the team name of “Shining Star Frogs”. Metacognition: For this sentence‚ the use of a prepositional phrase establishes context for the sentence in that it shows why the team is gathered. With the addition of the adjective “unnamed”‚ the need for collecting team name ideas is further exemplified. The greek affix con allows for better understanding of the word because con
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The relationship between shape and diffusion rate Aim- To investigate the relationship between the shape of an object and the time taken for a substance to diffuse to its centre. Hypotheses- Part A) The 5x5x2.5mm block will turn clear first as the Surface area to volume ratio is high and the 10x10x10mm block will take the longest to completely diffuse the Acid to its centre. Part B) The flat‚ rectangular block will be the first to completely turn clear due to its high Surface Area/Volume Ratio
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The Technology-Diffusion Model illustrates how a social institution reacts to a new technology as follows: • “Innovative technology is created • Institution adopts technology to carry out existing functions more efficiently • Institution accommodates internally to take better advantage of new efficiencies • Institution develops new functions and activities made possible by capabilities of the technology • Institution may become obsolete‚ be replaced‚ or be radically transformed • Other institutions
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Case Study: Siemen’s simple structure—not Question one: When the manager is tring to restructured company have to consider not just the results are beneficial to the company‚ but also take into account the employee can accept such adjustment‚ as a part of the company‚ they also have to face these changes‚ if employees cannot adapt to these changes‚ then the program will also make the company’s working efficiency low. Question two: In this case we can see‚ the new structure of Kleinfeld reduces
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students are required to undertake and evidence a series of meetings to confirm progress on the preparation and writing of the OTHM assignment. This tracking sheet has been designed to assist in structuring these meetings‚ and a copy should be sent to OTHM together with the assignment. Self-study students should also complete this tracking sheet to assist in producing their assignment. Meeting 1 Date and time: Suggested coverage: Confirm that assignment guidelines on OTHM’s website
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Essay – Simple Living Give an outline of the attitudes to ‘’Simple Living’’ presented in texts 1‚ 2 and 3. Text 1 The first perspective on the concept ‘’Living Simple’’ is from author Elizabeth Scott‚ ‘’Simple Living‚ Recession-Style’’‚ an article from the website About.com‚ March 20‚ 2009. “The idea was to pare down and get rid of all the extra "stuff that we think we need‚ but don’t: extra belongings that clutter our homes‚ extra activities that pack our schedules to the hilt‚ extra food that
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of Belonging to others and place shapes our position in society through relationship and place * * alienation from place (the school) leads to a negative sense of self – shown through down cast heads etc * * Idea in text In ‘The Simple Gift’ and sense of belonging for Billy and Caitlin is found through their relationship (1st person narrative we learn of the significance of their belonging) Caitlin finds acceptance which she didn’t have with her family while Billy finds friendship
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“Alcoholism is a secret destroyer of Australian homes‚” this statement is shown in the text The Simple Gift. Many characters are affected by alcoholism in the text The Simple Gift. This essay will be about‚ how characters were affected by alcohol‚ why Old Bill drank so much and uniting three characters together. Alcohol affected many characters in The Simple Gift. Alcohol affected Old Bill‚ Billy’s father drank so much that it affected him and Billy. Billy’s father ended up being lonely and had
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