This experiment tested the growth of E.coli with inserted plasmid on an agar plate with Ampicillin. One colony of E.coli resistant to Ampicillin was grown during this experiment. The overall goal of the experiment was to successfully grow E.coli on the agar plate‚ which would show that the plasmid had been effectively inserted into the bacteria’s genes. This experiment helped students understand how plasmids were inserted into bacteria and used in real life situations. It also showed how the bacteria’s
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Year 12 Nutrition Stage 2 SACE: Practical – Manipulation of Microbial Growth | August 25 2013 Hypothesis: The hypothesis for this particular practical experiment is that‚ as the pH decreases or increases from neutral pH of approximately 7‚ the amount of microbial growth on the agar solution will decrease Materials: Agar Solution Preparation: *hand sanitizer/ hand wash soap *small container *1g of agar powder *0.25g of beef extract stock *60mL of heated water *electronic balance *small
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The Effect of Molecular Weight on the Rate of Diffusion of Potassium permanganate (KMNO4)‚ Potassium dichromate (K2Cr2O7) and Methylene blue ¹ ABSTRACT The effect of molecular weight on the rate of diffusion was determined using the Agar-water Gel Test. One drop of potassium permanganate (KMNO4)‚ potassium dichromate (K2Cr2O7) and methylene blue were used. Each substance has a respective molecular weight of 158 g/mol‚ 294g/mol and 374 g/mol. The diameters (in millimeter) were measured
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bankruptcy protection in September 2010. In April 2011‚ billionaire founder of Dish Network Corp‚ Charlie Ergen‚ purchased the company. With Blockbuster out of bankruptcy‚ many thought that the company would have a clear path. Ergen planned to use the company to work with Dish Network to challenge Netflix Inc. At the time Dish acquired Blockbuster‚ simply closing down all the stores and selling the assets would have earned Dish a $300 million profit and that was without using the well known “Blockbuster”
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002141-0012 Nuba Jackson IB Biology Microbiology IA How effective is Lysol in the reduction of bacterial growth compared to Pinesol in reduction of E. Coli growth in agar at room temperature? Background Information: Pinesol and Lysol are both common household disinfectants that make very big commercial claims; both claim to kill 99.9 percent of bacteria. Lysol contains
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credible in implementing its deals for all customers. Dish Network Company is the main competitor for DirecTV firm. The promotion that is used by dish Network has a good package of services with the lowest prices. They offer deals to attain all the benefits for consumers and make them satisfied. In fact‚ this kind of deals is reflected on the company’s brand which is trying to make it memorable in the clients’ mind. However‚ the brand equity for Dish Network is sort of high‚ based on the consumer point
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2013-2014 ABSTRACT The effect of molecular weight on the rate of diffusion was assessed using the agar-water gel test. The agar-water gel set up was composed of a six petri dish of agar-water gel containing two wells. Pinch of potassium permanganate (KMnO4) and methylene blue (C16H18N3SCl) were simultaneously introduced to each dish and measured the distance and its rate. Methylene blue‚ having the largest molecular weight‚ displayed the smallest diameter 15.67 and diffused at the slowest rate (0.78mm/min)
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Problem: How do protease in some fruit juices help softening meat? Hypothesis: The protease in some fresh juices digests collagen‚ which gives meat a tough texture by holding meat fibres together. Design of investigation: In order to test the hypothesis‚ the presence of protease in those fresh juices was tested at first. Then the amount of them was needed to be compared for finding their difference in effectiveness in tenderizing meat. Control experiments were set up for proving protease was
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agar cools‚ pour an equal amount into each dish. 4. Press 25 cloves of garlic to make garlic juice. 5. Saturate one group of paper disks in the following: o Penicillin o Streptomycin o Tetracycline o Glutaraldehyde o 5 percent phenol alcohol o Fresh garlic extract 6. Put all petri dishes into incubator. The temperature in the incubator is 35@dgs C (95@dgs F). 7. After 24 hours‚ observe petri dishes‚ and use light box to take pictures of each dish. Repeat again after 24 hours. 8. Calculate
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In life‚ the appetizer is where we are now: like studying‚ enjoying our youth days wherein we are prepared for the main dish – our main goal in life which is to succeed. Our life already starts after we graduate. Treat your love life as the side dish. Some find it unnecessary‚ some say it is needed‚ but some say either of the two. Whenever we eat‚ we always focus on the main dish because it is the very gist of the dinner. Just like in life‚ we should focus more on striving to achieve our goals in
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