Root Locus Consider the closed loop transfer function: R(s) + - E(s) K 1 s(s+a) C(s) How do the poles of the closed-loop system change as a function of the gain K? The closed-loop transfer function is: The characteristic equation: Closed-loop poles: Root Locus When the gain is 0‚ the closed loop poles are the openloop poles Roots are real and distinct and for a positive a‚ in the left half of the complex plane. Two coincident poles (Critically damped response) Roots
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EXTRACTION OF DNA FROM ONIONS ABSTRACT The purpose of the experiment was to experience firsthand the isolation of DNA form a plant tissue without destroying its structure and sequence. A white onion was used for the experiment. After several processes‚ DNA isolate was the visible result. Different chemical tests were performed on the DNA isolate‚ namely: Dische Test‚ Murexide Test‚ Wheeler-Johnson test and Test for Phosphate. Visible results were then noted. INTRODUCTION DNA (deoxyribonucleic
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Case Analysis of “The Tip of the Iceberg” Date: March 22‚ 2010 In David Hutchens book‚ “The Tip of the Iceberg” he tells the story of the penguins and walruses coming together as a collaborative business unit for the greater good of clams. This story touches on two key components that are seen in everyday businesses. These two key components are system management‚ and adapting to change. The primary system described in the story was for the penguins to share their iceberg that they resided
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Purpose: to observe and measure the process of osmosis in living cells‚ qualitatively and quantitatively. Materials: red onion cell‚ slides‚ coverslip‚ compound microscope‚ 4% salt solution‚ distilled water‚ potatoes‚ beakers‚ balance‚ paper towels Procedure: Part A Qualitative Observations of Osmosis 1. Make a wet mount of a small‚ thin piece of purple epidermis from a red onion bulb’s leaf scales. 2. Photograph and label what you observe under high power. Be sure to include: cell wall‚ cell
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Mitosis and meiosis are both important biological processes that happen within eukaryotic cells. These two processes are slightly different from one another‚ but have a lot of similarities. Before each of these processes can be performed‚ the cell first has to go through interphase. Interphase is considered the primer for mitosis or meiosis and consists of: G1‚ S‚ and G2 phases. These phases prepare the cell for either mitosis or meiosis by causing the cell to grow‚ copy the DNA‚ and copy the cell’s
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Root of Greed Money is the fuel‚ the pursuits to the things we need like food‚ education‚ medicine‚ and our well-being. We as human beings want and desire those things which are far from our grips‚ but are only attainable with the exchange of money. In this case acquiring items like guns and other goods‚ the exchange is not of money‚ but humans. People do imaginable things to acquire it by lying‚ stealing‚ and even murder. The start of The story of slavery as a result of lust‚ greed‚ and
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According to Aristotle: "The roots of education are bitter‚ but the fruit is sweet" Have you ever thought of why such quotes becomes so special and popular? If one tries to notice‚ it can easily be seen that famous quotes are pithy that are capable of grabbing the interests of the readers. While writing a personal essay it is useful to link a thesis statement with a famous quote. Including one such quote that resembles your thesis sentence intrigues a writer to read the whole content. The
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Film Analysis: Roots of Resistance a Story of the Underground Railroad In the movie Roots of Resistance a Story of the Underground Railroad‚ the filmmaker makes some very strong points. He made the movie in a way that portrays his specific opinion and views on the Underground Railroad. If a viewer didn’t know what the movie was about they may have guessed it would have been a very different kind of movie based on the title. After watching the movie in its entirety you realize that the movie was
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Looking for the root This discussion post centers on possible causes of learning disabilities‚ specifically that of dyslexia. Common symptoms of dyslexia are difficulty in the areas of speaking‚ pronunciation‚ reading fluency‚ decoding‚ comprehension‚ and word retrieval (Society for Neuroscience‚ 2012). However‚ in languages such as Finnish and Italian‚ which are more consistent in their relationship between letters and sounds‚ the only evidence of dyslexia may be slow reading (Society for Neuroscience
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are two main types of cell division: (1) mitosis and (2) meiosis. (Balls 34) Most cells are produced by a process called mitosis. In mitosis‚ a cell divides and forms two identical daughter cells. (Prescott 102) Each daughter cell then doubles in size and becomes capable of dividing. Most one-celled plants and animals reproduce by mitosis. (Baserga Biology 56) This is also the way most cells in your body and multi-cellular plants and animals reproduce. Mitosis in animal cells takes place in four orderly
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