Heat resistance of endospores of Bacillus pumilus Abstract Spore suspension of Bacillus pumilus was inoculated into universal bottles containing sterile distilled water in water baths at temperatures of 85°C‚ 90°C and 95°C. At specific time intervals‚ a sample was removed and spread on nutrient agar plates. The number of colonies formed was used to determine the D-value and z-value. The D-value for 85°C is 64.1 minutes‚ 25.7 minutes for 90°C and 8.2 minutes for 95°C while the z-value is 11
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Document Based Question – Progressive Movement Historical Context: The late 1800’s and early 1900’s were times of great reform in America. Tired of the poor working conditions‚ overcrowding of cities‚ political corruption and abuses by industrialists‚ people known as Progressives took it upon themselves to create change. By using various forms of the media‚ combined with organized protests‚ petitions‚ and the power of the vote‚ the Progressives exposed these issues‚ and informed thousands of Americans
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Introduction On the 19th April‚ 2012‚ the Grade 10 Food and Nutrition students of the Montego Bay High School for girls went on a field trip where we visited Edwards Dairy and Colorn Meat Processors. This trip was put in place by our teachers in order to reinforce our previously gained knowledge on the topics; meat and milk. From this field study I was able to utilize my previous knowledge on these two subject matters and to learn more about them and in more detail. I was also able to pick up information
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Carlie Daquino Mrs. Sauter World History/Block G 14 December 2014 Industrial Revolution I do not agree with the statement that the Industrial Revolution has had more negative effects on the world community than positive. In the long run‚ the Industrial Revolution led to a better family life‚ advancements in technology‚ a rise in consumerism‚ and a positive impact in world new government. Family life prior to the Industrial Revolution was centered on the family farm or small local business
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Challenge question for Quiz 2 1. What group of compounds are usually the second most abundant (by weight) in fruit after water? 2. What is the major difference between fruit and vegetables in terms of their botanic origin? 3. List the intrinsic and external factors which can affect the respiration rate of fruit and vegetables 4. What are the major differences between climacteric and non-climacteric fruits? 5. What is role of ethylene in fruit ripening? 6. Describe the relationship between temperature
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Research how humans interact with micro-organisms and use this information to write a discussion for your report. Basic structure and function Explain the parts and how they work for fungi and bacteria Most fungal species are multicellular. Most fungi do not have flagella in any phase of their life cycle. They move toward food by growing toward it. The main body of most fungi is made up of fine‚ branching‚ and usually colourless threads called hyphae. Each fungus will have vast numbers
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Preservation of Food with Ionizing Energy Lesson 10 1 Assigned Readings – n Smith‚ J.S. and Pillai‚ S. 2004. Irradiation and Food safety. Food Technol. n Fact sheet on Food Irradiation http://www.inspection.gc.ca/food/information-for-consumers/fact-sheets/labelling-food-packaging-and-storage/irradiation/eng/1332358607968/1332358680017 n Frequently Asked Questions regarding Food Irradiation 2 Terminology n Radiation ¨ ¨ n Food irradiation ¨ n Rays of energy Emission and propagation of
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Value Chain Analysis of Mushroom Maryam Sohrabi Mery.sohrabii@yahoo.com 2013 Introduction Mushroom is one of the most suitable sources of high quality protein for all age groups and especially for vegetarians. Mushroom industry can be considered as a supreme practice to exploit agrarian residues to produce food‚ feed and fuel. This activity is not only provides individuals a food based nutraceutical but also it is environment friendly (MMRA‚ 2009). By increasing the knowledge among potential
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The following is a sample of the type of exams that I will be giving in class. Try completing this exam in 45 minutes. This should be roughly half the size of your exam. Nick 1) Which of the following pairs is mismatched? a) immunologist – studies ecology of Legionella pneumophila b) virologist -- studies human immunodeficiency virus c) Microbial ecologist -- studies bacteria that degrade oil d) Microbial physiologist – studies fermentation of sourdough bread e) Molecular biologist
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During this time period there were many different scientist that had other discoveries and inventions. A very famous scientist at the time was Louis Pasteur‚ who discovered fermentation and the need to vaccinate for viruses and also invented pasteurization. Thomas Newcomen was another inventor during this time; he invented the first practical steam engine allowing people to abandon horses and walking to have steamships cars and trains. Benjamin Franklin was also born in this era. Benjamin Franklin
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