Introduction The purpose of this lab was to identify unknown bacteria cultures using various differential tests‚ and my unknown bacteria is #17. The identification of these unknown cultures was accomplished by separating and differentiating possible bacteria based on specific biochemical characteristics. Whether the tests performed identified specific enzymatic reactions or metabolic pathways‚ each was used in a way to help recognize those specifics and identify the unknown cultures. The differential
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Your Full Name: Lauren Sinay UMUC Biology 102/103 Lab 1: Introduction to Science INSTRUCTIONS: On your own and without assistance‚ complete this Lab 1 Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus). To conduct your laboratory exercises‚ use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefully before completing the exercises/experiments
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Quantitative & Semi-quantitative Viable Plate Counts Molly Wright‚ Jenny Cano‚ Rosa Ramirez BIOL 2420 Lab M/W 4/20/15 Professor Rotibi ABSTRACT: Accurate evaluation of bacterial colonization as a predictive index for alfalfa sprouts has relied on a quantitative culture technique that provides exact colony counts per gram of tissue by culture of five serial dilutions of the alfalfa water. In this study 1 package of alfalfa sprouts were cultured by a semi-quantitative technique that enumerated
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Since the Grignard reagent can easily react with water‚ all glassware including the 25 ml round bottom flask‚ magnetic stir bar‚ 3 and 5 ml conical vial‚ 50 mL Erlenmeyer flask‚ claisen adapter‚ drying tube and 5 glass pasteur pipets were first added to a 250mL beaker and placed in the oven for 30 minutes. After the completion of the thirty minutes‚ 0.150 g of shiny magnesium turnings and a stir bar was first added to the round bottom flask and the claisen adapter along with the drying tube packed
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Bhagat‚ S. 2002. "Canis lupus familiaris" (On-line)‚ Animal Diversity Web. Accessed March 20‚ 2012 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Canis_lupus_familiaris.html Biology Department. 2012. Introductory Biology 2: BIOL 1004 Lab Manual. Carleton University Press‚ Ottawa. Dewey‚ T. 2003. "Odocoileus virginianus" (On-line)‚ Animal Diversity Web. Accessed March 20‚ 2012 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Odocoileus_virginianus.html LaBruna
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Lab 2 Physics 190 Acceleration “g” Due to Gravity – Method 2 Introduction Tonight we will measure the acceleration due to gravity again. This time however‚ we will collect more data and the analysis will be different. We will first fit the data using a second order polynomial. Recall for a mass falling from rest‚ that 1 (1.1) y a yt 2 2 Suppose a mass falls through n successively greater displacements‚ each time starting from rest. The displacements can be expressed a 2 y y t ;
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Week 3 - Assignment 2 How is searching in a specific database‚ such as Ashford’s library‚ different from searching in Bing‚ Google‚ or Yahoo? The Ashford University Online Library is a proprietary database which can only be accessed by students and faculty. The AU Online Library provides more credible and scholarly information‚ but may be limited. While‚ The AU Online Library catalogs and periodical indexes always indicate the publication date in the bibliographic citation. Other Internet
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* Do you think the law should allow these kinds of creative expressions? Why? Full content should be allowed only under the Fair Use provision‚ for research‚ criticism or educational purposes. As long as the material is properly cited for it’s source‚ and full credit is given to whomever holds copywrite. Remixed or mixed content has been granted an exemption by the Copywrite Office‚ and does not violate DMCA as long as the excepts are used for purpose of criticism or comment. * How can creative
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Purpose: To find out the densities and to find out the name of the unknown metals. (Based on the extensive and intensive properties) Check up the words mass‚ volume‚ density‚ extensive properties‚ and intensive properties. Where do the units for mass and volume) come from and what do they mean? What is the density of distilled water? What is Archimedes principle? Does temperature affect the density of a solid? Liquid? Gas? Materials: Safety glasses‚ 10‚ 25 or 50 mL graduated cylinders
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Ale_____ Ram___ 30 de noviembre de 2012 _______________ BIOL 3503 Ecología Laboratory #1: Communities and Biomes 1. List the fish and invertebrates you selected after the nitrogen cycling process. I personally selected a maroon clownfish with two anemones. I also chose 5 sergeant majors‚ 2 bleenies and a yellow tang. 2. What changes did you make to your reef tank during the 12 weeks and why did you make them? After I selected my fish‚ I noticed that the tank
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