IDENTIFICATION OF AMINO ACIDS BY MEANS OF TITRATION CURVE ABSTRACT The aim of the experiment was to identify an unknown amino acid through acid-base titrations which was prepared in water to form an acidic solution. Each group prepared unknown amino acid hydrochloride. The pre-prepared basic solution was slowly added to the amino acid solution and pH change was closely observed using the pH meter. During these titrations the amino acid converted from cation to zwitterion to anion; zwitterion
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Process Identification Abstract Signs of the impending recall crisis began as early as 2006 when the National Highway Traffic Safety Administration (NHTSA) initiated an investigation into driver reports of “surging” in Toyota’s Camry models. This investigation was closed the next year declaring that there were no defects. Known in the industry for their quality and reliability‚ Toyota would silently recall almost nine million Toyota and Lexus models due to the sudden acceleration problems.
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T RANSFORMATIONAL LEADERSHIP QUALITIES 415 EUROPEAN JOURNAL O F W ORK A ND O RGANIZATIONAL PSYCHOLOGY‚ 1997‚ 6 (4)‚ 415-430 Identification of Transformational Leadership Qualities: An Examination of Potential Biases Filip Lievens‚ Pascal Van Geit‚ and Pol Coetsier University of Ghent‚ Belgium A basic ingredient in transformational leadership development consists in identifying leadership qualities via distribution of the multifactor leadership questionnaire (MLQ) to followers of the
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depends on what kind of growth medium is used‚ the colors should be similar to the pictures below. (In these examples‚ the time after plating is different for the two samples‚ so be aware that the colonies in these photos are different sizes for a reason.) We will culture our bacteria for about 2-7 days. Characteristics are most visible if the bacteria are examined using a stereoscopic scope. E. coli Shape (form): circular Margin: entire Elevation: raised Size: punctiform‚ small Texture (surface):
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“Should we manipulate the DNA of bacteria?” This is a question that has no definite answer‚ but a limitless amount of controversy. Since DNA is the code within each and every cell that instructs them on how to function and bacteria are rapidly reproducing microbes‚ genetic engineering is something to be considered. In fact‚ Bacteria were the first organisms to be genetically engineered. Modifying or manipulating the DNA of microbes and bacteria should continue to be allowed because it can be used
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Utilizing a variety of differential testing and staining methods learned in the microbiology course‚ students were to determine the identity of an assigned unknown organism. Observations were made and recorded each week to narrow down the scope of identification. Data has been presented in the tables‚ charts and drawings herein and reflect the results of microscopic observations as well as the differential tests results on various agars and broth cultures. Although all tests were not conclusive‚ the
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is the world’s best mystery authors. The book was very different from the movie. The book everyone died‚ and in the movie Vera and Lombard lived. There were a lot of things changed like there was not a cat in the book and in the movie there was. In the book‚ Vera shot Lombard‚ and in the movie he faked his death because he knew that someone was still alive. The movie didn’t really have that big storm like in the book. Vera had a different story on who
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Introduction The purpose of this experiment is to see how much bacteria can and will grow in common places in a typical high school. Common places can mean many things‚ including anything from water fountain spouts to computer keyboards. Such objects can hold up to 2‚700‚000 colony forming units per square inch (or CFU/in sq)(NSF). A colony forming unit is the unit used to find an estimate of the number of cells of a bacteria. This unit of measurement is commonly utilized in the subject of microbiology
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"Madonna" and "Venus" From Two Different Periods I have always been intrigued by the many depictions of "Madonna" and "Venus" therefore I chose to compare and contrast Parmigianino’s “Madonna of the Long Neck” from the mannerist style of the later Renaissance and Titian’s “Venus of Urbino” from Venetian Renaissance. First I will tell you a little bit about the historical background of both paintings‚ then I will prove my thesis by talking about exemplifies two artist’s style and the
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Unknown Bacteria Staining Gram Acid Fast Spore The first practical for microbiology was staining of an unknown bacteria. Professor Goode provided an unlabeled bacteria in which each individual were to conduct gram‚ acid fast‚ and spore staining tests from memory. When the gram staining test was conducted a positive results was obtained. When views on oil bacteria appeared purple and rod-like. I noted this result and looked at the lab key to see what the results narrowed my bacteria choices
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