Electrical Safety Electricity is all around us‚ no matter where you work there are electrical outlets and machines that run off electricity. Due to how dangerous electricity can be Occupational Safety and Health Administration or OSHA has come up with safety standards when dealing with electricity. Their standards are designed to protect employees who are exposed to the dangers whether it be directly like working on an outlet or indirectly like using the outlet. Safety equipment is available for
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praises of America. Although the Occupational Safety and Health Administration‚ commonly called OSHA‚ has kept at its goal‚ since its inception‚ to bring to light the hazards and trials found in the meat packing plants‚ the plants have kept at shutting out OSHA and keeping the public from finding out what goes on inside. Undoubtedly‚ the plants lie and underreport in the logs they are required to turn in to OSHA on a yearly basis. Illegal immigrants working in the meatpacking industry are not entitled
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controls in the workplace. There were no material safety data sheets visible or chemical hazard warnings. The employer simply wore a lab coat while visitors were only asked to wear closed toed shoes. There were no guidelines‚ PEL‚ or TLVs given by OSHA. However‚ the material safety date(which should be posted) explains that it can cause irritation of the skin‚ eyes‚ and mucous membranes. Moreover‚ compounds that it has such as cerium have low toxicity. People can come into contact most easily by
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Biology Revision Notes Biochemical Tests: Proteins - add biurettes reagent to the sample. If protein is present‚ clear colour change from blue to purple. Reducing Sugars – add Benedict’s reagent to the sample. Heat in Bunsen or water bath. If reducing sugars are present‚ clear colour changes from blue -> orange red precipitate. Lipids – dissolve sample in ethanol. Slowly pour the solution into the water slowly. If lipids are present a white emulation forms on the surface. Starch – add iodine
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The University of Texas at San Antonio has had an outbreak‚ but nobody knows what pathogen is to blame. The infirmary has been filled with students seeking help. Sue is 18 and is one of the students in the university and she’s been feeling quite ill. Her roommate Jill and their acquaintances Maggie and Maria have been feeling sick as well. Anthony‚ Maria’s friend‚ has lately noticed that he has been very tired while he is reporting the school games for the school paper. Arnie‚ a fellow peer of Anthony
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vessels and returns the fluid to the circulatory system Pathogen- Disease Causing Agent Vector- animal that carries pathogens from person to person Bacteria- domain of unicellular prokaryotes that have cell walls containing peptidoglycan Virus- particle made up of nucleic acid‚ protein‚ and in some cases lipids that can replicate only by infecting living cells Capsid- outer protein coat of a virus Antibody- protein that helps destroy pathogens Antibiotic- compound that blocks the growth and reproduction
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on it. Other phylloplanes used in this study such as Botrytis sp.‚ Pleurothecium sp. and Staphylotrichum sp. exhibited weak antagonism on the pathogen while Gonatorrhodiella sp. and Syncephalastrum sp. showed different levels of zones of inhibition with the pathogen. Metabolites produced by Gonatorrhodiella sp. and Syncephalastrum sp. affected the pathogen by antibiosis. This finding showed that Trichocladium sp. and Trichophyton sp. exhibited the highest antagonistic effects on C. gloeosporioides
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Lesson 7.01: Nervous and Endocrine Systems Explain how the two parts of the nervous system work together Central Nervous System and Peripheral Nervous System The PNS carries impulses in and out of the CNS Identify the major parts of the brain Cerebrum(remembering‚ thinking‚ feeling)‚ Cerebellum(coordination‚ balance)‚ brain stem(breathing‚ digestion‚ heart rate) Describe the structure and function of the central and peripheral nervous systems CNS: made up of the brain and spinal cord
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Archaebacteria Diatom Dead Sea salt pillar Protozoa Virus Paramecium HIV 1 Why study microbiology? W e have trillions of living microbes in our bodies – indigenous or normal microflora 3% known microbes are disease-causing (pathogens) Essential for life on planet e.g oxygen production‚ nutrients recycling‚ food chain‚ Industrial use e.g. bioremediation (decompose industrial waste)‚ genetic engineering (gene transfer)‚ food & beverage (bread‚ butter‚ cheese‚ beer‚ wine)
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A) the structures of the lymphatic system: Within the lymphatic system‚ there are many organs that form the structure of the whole lymphatic system within the body‚ and these organs are also structured depending on what their function is. For example‚ an organ which is present within the lymphatic system is the lymph nodes. These lymph nodes are considered to be shaped similar to that of an oval and is roughly 1-2cm in size. Within the lymph nodes‚ there is a reticular network‚ which is able to
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