Ratio of Surface Area to Volume on Transformation Efficiency in Escherichia coli K-12 Eliana Pouchard‚ Steve Teng‚ and Cameron Wong Department of Microbiology & Immunology‚ UBC In the process of transformation‚ bact eria take up DNA fr om the environment through their cell wall. To induce competence in the cells‚ the DNA for uptake must first attach to the cell surface prio r to passing throug h the membrane. Previous studies on the effect of surface area on transformation
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mixture: Crushed iodine still visible in water. Over color of mixture changed from clear to clear with orange amber hue. Iodine and Mineral Oil: Crushed iodine slightly visible in oil. Dramatic change in color; oil changed from clear into rich purple. Iodine and Alcohol: No visible pieces of Iodine present in solution. Change of color from clear to dark brown. Potassium Solution and Iodine: Immediate reaction between the two components. Mixture changed from clear to dark brown. Iodine smell noticed
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majoring in? Why have you chosen this area of study? I am majoring in Dental Assisting. Since I was a little girl my dream job was to be a Neonatal Nurse but as high school was coming to an end and college was approaching‚ I decided last minute to switch to Dental Hygiene. I chose not to major in nursing because the program seemed impossible to get into‚ and I wasn’t sure that I wanted to be a nurse for the rest of my life. Also if I were to be in a Nursing program I would have to do so much other
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Cancer Patients that reside in rural areas face many challenges when it comes to high quality health care. The top 5 cancer research centers are in some of the biggest cities in America. They are in Houston‚ New York‚ Boston‚ Seattle‚ and Baltimore. Cancer patients in rural areas have to spend thousands of more dollars to see more experienced doctors and visit better hospitals. They spend extra money on apartments‚ hotels‚ car rentals‚ food‚ gas‚ and out of pocket medical expenses. For example
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1. The status of women in the United States throughout history has grown significantly. Throughout history women had fewer legal rights and career opportunities than. Women were seen to be just wives and mothers and take care of the homes while the husbands worked. Women did not have a say in having jobs‚ voting‚ or even attending college. It appears that a lot of things began to change around the 19th and 20th century. For example in the beginning of
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Grade 9 Math Test Perimeter and Area Part A: Multiple Choice - Circle the letter of the correct answer. (12marks) 1. A circle has an area of 27 cm2. About how long is the radius? A) 24 cm B) 14 cm C) 9 cm D) 3 cm 2. The area of the circle is about A) 201.1 cm2 B) 64.0 cm2 C) 50.3 cm2 D) 25.1 cm2 3. The area of the shape is about A) 9 cm2
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| Cuboid | Triangular Prism | Cylinder | Cone | Pyramid | Sphere | AnyPrism | s3 | lwh | ½bhl | Πr2h | 1/3πr2h | 1/3Ah | 4/3πr3 | Ah | A = area of the base of the figure s = length of a side of the figure l = length of the figure w = width of the figure h = height of the figure π = 22/7 or 3.14 1. Compute the volume of a cube with side 7cm. Volume of cube: s3 s = 7cm s3 = (7cm x 7cm x 7cm) = 343cm3 2. Compute the volume of a cuboid (also known as a rectangular prism) with the dimensions
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Like every other person I have strong areas and areas that I need to work on‚ because they’re not as strong. The two areas I think are my strongest areas are interpersonal assentation and time management‚ and the two weaker ones are self-stem and decision making. I feel like time management and interpersonal assentation are my strongest areas because I am the kind of person that uses time correctly‚ like if I’m doing homework but I have a project to do for the next day then I will not be messing
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Impacts of mass tourism in coastal areas of Spain | | Sabine Alma 213772 Group TTM1M | | 2012 2012 Table of Contents Declaration 3 Introduction 5 What is mass tourism and how did tourism develop in Spain?5 What are the cultural and social impacts of tourism in the coastal areas in Spain?6 What impact does mass tourism have on the economy and environment in Spain?7 Conclusion 9 Grading sheet10 Reference list12 Declaration I declare that: * I composed
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decreased death rate‚ increased birth rate and migration to urban areas. Sub-Topics | Topic Sentence | Decrease death rates. | Decreased death rate is a characteristic used in determining over population in Trinidad and Tobago. | Increase in birth rates. | Another feature employed in determining overpopulation in Trinidad and Tobago is increased birth rates. | Migration to urban areas. | Finally‚ migration to urban areas is another aspect of determining overpopulation in Trinidad and Tobago
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