produce acid. This turns the media yellow due to the lowering of the pH which turns the phenol red indicator in XLD agar to yellow. Shigella colonies do not turn yellow as they cannot ferment xylose and therefore don’t produce acid in XLD. Once Salmonella has exhausted the xylose in XLD it decarboxylates lysine which increases the pH again and turns back to a similar colour of the Shigella colonies. Salmonella will metabolise thiosulfate to produce hydrogen sulphide and this is what leads to
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2 3 4 5 (1) | Report | This is a Premium essay for upgraded members Upgrade to access full essay DID YOU LIKE THIS? TELL YOUR FRIENDS... Send One of the main topics discussed in lesson one is the fact that heroes over time and overseas all heroes have something in common; which is true in the case of King Arthur and Beowulf. It is obvious that they are similar in the fact that they are both heroes‚ but what makes them an idol of their time and in their culture
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have answered‚ “famous.” My future plans included microphones‚ tour dates‚ and sold-out concert halls. I never would have imagined that I would find a deeper calling and a desire to devote myself to the medical field. In this paper‚ I will share details of how my life’s road has led me to my current place of success. I will also share my future goals and the path I choose to take to reach them. When I entered the world‚ all odds were already stacked against me. My mother had me at the age of 13;
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All throughout the world there are many different genres of music being played and listened to at all time of day. Music has a way of distracting people‚ making them forget about the world and just focus on what makes them happy. Each person has their own taste in music‚ the music that makes them happy. Therefore‚ the songs of the world have defiantly shaped our culture. Would our culture be the same without it? Most people would say “no” because music is a huge part of our culture and without it
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Each Generation has Something Valuable to Offer Feb 12/2013 Every generation has something special and unique in their own way. I would like to mention the living. Baby Boomers had to work hard for everything they have achieved. Generation X worked more hours for less money to support their family just provide basic needs to their families. Today Generation Y can afford to buy basically anything and not have to work as hard as the Baby Boomers and the Gen Xer’s did. Gen Y has more advantages
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Has genetic science gone too far? Nowadays life with the help of genetic science is much easier than in the past. But is genetics really harmless and can help us or is it now already harmful? The way I see it‚ life in the future will be unpleasant because of the genetic science and its progress. Firstly‚ moving forward far too fast in genetic science can cause many troubles. Scientists should immediately stop and first think about consequences. They have to consider whether their experiments will
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Something Wicked This Way Comes 1. In my opinion‚ one of the best moments in Something Wicked This Way Comes was when Will and Charles were trapped in the mirror maze. The reason I like this scene is because I believe it shows how Charles changes as a person. In the beginning of the book‚ Charles wasn’t very ‘brave’ and didn’t accept himself. However‚ when Will told him that he loved him and accepted his dad the way he was‚ Charles began to believe in his self. Because of this‚ Charles was
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difficult to breathe. If you have asthma its very difficult breathing through your airways. They become more even swollen and the muscles around the airways can tighten when something triggers your symptoms. Common asthma triggers are allergies‚ tobacco‚ medication‚ emotional anxiety and stress‚ viral and bacterial infections. Symptoms of asthma are coughing‚ shortness of breath‚ wheezing‚ and chest tightness. Asthma affects people very differently than people who don’t have asthma. When people breathe
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where they’re supposed to hit. The corrective lens has a concave side that spread the light rays apart; which makes the images seem closer to the individual (Martini et al.‚ 2018‚ p. 569). 3. Mr. Drummond’s symptoms of vertigo appear when he has his eyes closed. When his eyes are closed he feels dizzy and he his limbs sway eventually towards the left side of his body. However‚ when his eyes are open he does not feel dizzy and his arms do not sway. This is because there is a problem within his vestibular
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