pH and Microbial Growth Introduction: Each organism has an optimum environment for growth‚ which includes pH level. Organisms that grow at near neutral pH levels are called neutrophiles. Those that grow best in acidic pH values are called acidophiles. Others‚ yet‚ grow best in alkaline pH values and are called alkaliphiles. In this lab‚ each group was assigned an organism‚ which was then used to inoculate 6 different pH levels. Materials and Methods: Followed lab procedure 29‚ “pH and
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Desiree Rielly Professor Guy Pollio 5 December 2012 English 101 What Shapes You? Often times‚ we rely on the world to we live in to shape us. From mass media‚ to magazines to commercials‚ we always find ourselves seeking the next best thing instead of what we already have. The way society shapes us develops each and every one of us because we are persuaded by such advertisements. Robert Scholes of “On Reading A Video Text”‚ and Shirley Jackson of “The Lottery”‚ show appropriate
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might your results differ if you direct the air flow onto the upper surface of the leaf versus the lower surface? Why? 3. Did any of the environmental factors (heat‚ light‚ or wind) increase the transpiration rate more than the others? Why? The transportation was increased mostly by the fan: 6.4 As it increased the respiration by transporting water away from plant. 4. Which species of plants that you tested had the highest transpiration rates? Why do you think different species
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Introduction When using different methods to measure pH levels there are some tools that can be useful. Some more than others but by putting into action the different methods it may determine which tools will work best and give the best results when testing the pH within a solution. The pH‚ which stands for the proportion of hydrogen ions in a solution‚ could be acidic (acidosis)‚ neutral or basic (alkaline). The pH scale goes from numbers 1 through 14. A pH of 7 is neutral; meaning the amount of hydrogen
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Digestion: Activity 1: Assessing Starch Digestion by Salivary Amylase Lab Report Pre-lab Quiz Results You scored 0% by answering 0 out of 6 questions correctly. 1. The substrate for amylase is Correct answer: e. starch and carbohydrate. You have not answered this question. 2. Which of the following is true of enzymes? Correct answer: c. Their activity can be affected by temperature and pH. You have not answered this question. 3. The reagent IKI tests for the presence of Correct answer: a. starch. You have
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Armadillium vulgare taxis response to different pH levels. Abstract The terrestrial isopod‚ Armadillium vulgare is commonly referred to as a slater or pill bug. Since transitioning from the sea to land and originally colonizing in Mediterranean regions‚ it has adapted throughout evolution to inhabit local microhabitats. The pill bug is bound by several parameters and also has specific requirements that need to be met for optimal biological functioning. As such‚ behavioural and physiological
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Digestive System Enzymes Digestion of Carbohydrates in relation to Ph. levels 2012 HAUBER-SIX‚ Janina Queensland Government 1/1/2012 Digestive System Enzymes Digestion of Carbohydrates in relation to Ph. levels 2012 HAUBER-SIX‚ Janina Queensland Government 1/1/2012 The follow experiment was prepared‚ conducted and analysed in order to test at which pH level starch will be digested at fastest. The digestive system is a complex network of organs as well as other structures
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The perennial debate about nature and nurture--which is the more potent shaper of the human essence?--is perennially rekindled. It flared up again in the London Observer of Feb. 11‚ 2001. REVEALED: THE SECRET OF HUMAN BEHAVIOR‚ read the banner headline. ENVIRONMENT‚ NOT GENES‚ KEY TO OUR ACTS. The source of the story was Craig Venter‚ the self-made man of genes who had built a private company to read the full sequence of the human genome in competition with an international consortium funded by taxes
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What Motivates You! There was a time where employees were known as just another input into the production of goods and services. What possibly changed the way of thinking about employees was research‚ referred to as the Hawthorne Studies‚ conducted by Elton Mayo. This study found employees are not motivated solely by money and employee behavior is linked to their attitudes (Dickson‚ 1973). Why is motivation so important in the work force and what should be done? Motivated employees
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‘What You Pawn I Will Redeem’ written by Sherman Alexie‚ tells a story of a homeless man who is struggling with identity issues and reminisces about much of his culture. Jackson Jackson‚ the main character‚ is a round and flat character‚ showing characteristics of both. Jackson’s conflict is internal conflict because he wants to save money to purchase his grandmother’s regalia from the pawnbroker‚ but he also wants to spend money on his fellow Indians and friends. Through Sherman’s short story
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