no apparent deleterious effect. Furthermore‚ because of the dilutions used in the range of 1:0 or 1:100‚ toxic substances present in the sample can be diluted out. Finally‚ MPN technique is the effective method for analyzing samples such as muds‚ sludges‚ sediments etc. Disadvantages of Petri film include: There is no visual difference between the different kinds of bacteria growing on the Petri film and you can’t do any testing on the colonies. No classifying as bacilli or cocci‚ no gram-staining
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Then‚ zinc is added during industrial activities such as mining‚ coal and waste combustion and steel processing. Some soils are heavily contaminated with zinc‚ and these are to be found in areas where zinc has to be mined or refined‚ or were sewage sludge from industrial areas has been used as fertilizer.
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country): This poem is graphic and confronting for it recounts the shocking details of the horrific sights‚ sounds and feelings a group of exhausted soldiers experience once under gas attack on the front line. ‘began to trudge’ eternal struggle. ‘sludge’ alternate rhyme emphasises eternal struggle further. ‘all went lame‚ all blind’ hyperbole used to emphasises pain and suffering. The repetition of ‘all’ furthermore emphasises the extent of injury and death. ‘flung him in’ shows dehumanisation
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Sugar-Coated Lies Wars are always difficult to cope with. “Dulce et Decorum est” is a poem by Wilfred Owen expressing the hardships many soldiers had to face during the First World War‚ the importance of remembering the terrible events that occurred‚ and how completely bogus the phrase ‘it is sweet and right’ truly is. It must have been a horrifying experience for these men to fight for their country‚ especially at a very young age where they had a promising future ahead of them. But sadly‚ plenty
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the crude palm oil and selling them to syndicates are tanker drivers‚ depot operators and transporters. Generally‚ 100 to 200 litres of crude palm oil are siphoned off from each tanker. The amount is replaced with liquid such as water‚ used oil or sludge which can result in contamination of the crude palm oil. Therefore‚ these substances affect the quality of the end product for export. Many of the tankers of Palm Haul Sdn. Bhd. that do not reach the refineries are found abandoned by the roadside
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100 mL Beakers 1 tsp. Crushed pyrite 1 tsp. Activated carbon 1 Piece of pH paper Permanent marker Measuring spoon (or teaspoon) Water* * You must provide Figure 2: pH Key Procedure 1. Label three beakers: Water‚ Pyrite‚ and Carbon. 2. Pour 100 mL of water into each beaker. 3. Cut your pH paper into 6 even pieces. 4. Test the pH of each beaker and record the results in Table 1. 5. Place 1 heaping teaspoon of the crushed pyrite and activated carbon into their corresponding beakers. 6
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certain instances and situation and convince them that it can cure diseases even the major ones. Statement: “Activated charcoal is similar to common charcoal‚ but is made especially for use as a medicine. To make activated charcoal‚ manufacturers heat common charcoal in the presence of a gas that causes the charcoal to develop lots of internal spaces or “pores.” These pores help activated charcoal “trap” chemicals. Intoduction I. Attention Step: (showing a piece of charcoal) who could think that
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NEUTROPHILS & MACROPHAGES: Neutrophils & Macrophages play the main role in (SEEK AND DESTROY) the invading agents (microbes‚viruses and other injurious agents) NEUTROPHILS are mature cells that can SEEK AND DESTROY agents even in BLOOD ‚ MACROPHAGES begin their life as immature cells in blood called monocytes ‚ when they enter the tissues they swell and become mature and named MACROPHAGES which are extremely capable of SEEK AND DESTROY intratissue injurious agents. White Blood Cells Enter the
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TOYOTA: THE ACCELERATOR CRISIS The root cause of their problems is that the company was hijacked‚ some years ago‚ by anti-family‚ financially oriented pirates. Jim Press‚ former President & Chief Operating Officer (COO) Toyota Motor Sales‚ U.S.A.‚ Inc. On February 24‚ 2010‚ Akio Toyoda‚ the grandson of Toyota Motor Corporation’s founder‚ Kiichiro Toyoda‚ endured a grueling question-and-answer session before the U.S. House of Representatives Committee on Oversight and Government Reform. The
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Name___ Chapter 16-Lymphatic System & Immunity Take Home Quiz 1. Explain the functions of the lymphatic system. Transports excess fluid to the bloodstream‚ absorbs fats‚ and helps the body defend against disease causing agents. 2. Trace the general pathway of lymph from the interstitial spaces to the bloodstream. The lymphatic capillary network is found next to the systemic and pulmonary capillary networks. It then travels through lymph vessels into lymph nodes. It returns to lymph vessels
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