organisms become separated or far enough apart on the agar surface to be distinguished. This will form visible colonies of each organism which will be isolated from the other colonies present. b) Flame the inoculation loop before each transfer to avoid contamination. c) Using the inoculation loop‚ aseptically “pick off” the individual colonies on the isolation plate and transfer to new sterile medium. Perform this step for each of the three colonies being isolated‚ taking care to flame the inoculating
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great way of preventing and eliminating diseases. Diseases have been on the planet as long as people can remember. The Chinese used inoculation techniques as early as 1000 A.D. for smallpox (“Vaccines ProCon.org” 4). Though the Chinese were the first to come upon a form of vaccines‚ there were other countries who had their own forms of vaccines. Other inoculation
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Jesús Ferrer 5500 Friendship Blvd Apt. N1929 619-316-6864 ------------------------------------------------- Chevy Chase‚ MD 20815 jesfers751@yahoo.com SUMMARY OF QUALIFICATIONS Bilingual (English/Spanish). Business Administration/Marketing Degree with over 10 years of experience in the military and civilian field. Entrepreneurial‚ leadership and teamwork ability
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through mass indoctrination of its youths. Primary support will be drawn from Jorge Noriega’s work‚ "American Indian Education in the United States." The paper will then culminate with my personal views on the subject‚ with ideas of if and how the United States might make reparations to its victims.<br> <br>In lieu of the well known and brutal "Indian Wars‚" there is a means of cultural destruction of Native Americans‚ which began no later than 1611. This method was one of indoctrination. Methods included
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Protocol Materials: * Fertilized chicken eggs (Gallus gallus) * Tumor cell line (SK-ChA-1) * 70% ethanol * Paper towel * 45 Petri dishes * Incubator * Non-fertilized eggs * Rocket fuel * Marker * Scalpels * PBS-suspension * Fine forceps * Decapitation-scissors * Plastic rings 1mm diameter * 80 mm triangular magnetic stir bar * DCCP + DSPE-PEG 96:4 mmol empty liposomes suspension * DCCP + DSPE-PEG 96:4 mmol + Zn-Phthalocyanine (Lipid:PS
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Microbiology Lab ReportPractica #1BTC307LAmber AmelingmeierThursday‚ September 18‚ 2008OBJECTIVESIn this lab experiment two different types of bacteria‚ Escherichia coli and Staphylococcus aureus‚ were grown singly and mixed on four different types of agar in order to observe the varying morphologies within the colonies. Resulting data was analyzed to provide understanding of the use of differing culture media and conditions for bacterial growth. RESULTSFour different agar types were used in this
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Techniques for Isolation of Pure Cultures Objective : i. To perform the spread plate and the streak plate inoculation procedure for the separation of the cells of a mixed culture so that discrete colonies can be isolated. ii. To prepare a stock culture of an organism using isolates from the mixed cultures prepared on the agar streak-plate and/or the spread plate. Introduction : In order to be able to adequately study and characterize a certain microorganism‚ microbiologists need to separate
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Table 1. Observations from week 2 for the detection of ammonia using the Nessler’s reagent and from week 1 for the pH using bromothymol blue indicator with the inoculation of P. vulgaris‚ P. fluorescens‚ and B. Cereus in peptone broth. Tubes were incubated at room temperature for 7 days and 14 days. Soil Microorganism Nessler’s Reagent (color reaction pH (bromothymol blue) Our results pH (bromothymol blue) Class results P. vulgaris Deep yellow ++ 8.0 8.0‚ 7.5‚ 6-7‚ 11.5 P. fluorescens
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between education and commercial interests? Does commercial intrusion into schools change the nature of education? What values and beliefs does it instill in children? 3. Do you think students have a "moral right" to an education free of commercial indoctrination? If you were a parent of school-age children‚ would you be concerned about their exposure to commercials and corporate propaganda? 4. If you were a member of a school board contemplating the use of either industry-sponsored materials or Channel
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3.3 Microbiological Analysis 3.3.1 Bacteria count using Heamocytometer This method was used to determine the of three types of dessert but does not differentiate the type of bacteria. 25 g of food samples will be homoginesed in a sterile stomacher bag and shaken for two minutes with 225 ml of peptone water to obtain the food mixture. Using separate sterile pipets‚ decimal dilutions of 10-2‚ 10-3‚ 10-4‚ 10-5 will be prepared and others as appropriate‚ of food homogenate by transferring 10 ml of previous
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