A1. Role of Enzymes in Processes Enzymes are organic catalysts that help to speed up the breakdown of a molecule‚ such as fructose. The enzyme helps a chemical reaction take place quickly so that the reaction happens properly. In order for that to happen the enzymes process by the lock and key model‚ the lock is the substrate and the enzyme is the key. The active sites are specific to a certain substrate of a molecule‚ so the enzymes only have one job to do. The shape of an enzyme is not changed
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cell death. http://www.fda.gov/ohrms/dockets/ac/06/briefing/2006-4222B3.pdf About 60 percent of those injected with Gardasil or the aluminum placebo had systemic adverse events including headache‚ fever‚ nausea‚ dizziness‚ vomiting‚ diarrhea‚ and myalgia. Some patients experienced lesions at the injection site‚ and other types of rashes and skin abruptions. Which some may argue are direct causes of the placebos and vaccines containing Aluminum derivatives. The link below shows an article that
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Leptospirosis Also known as Weil’s Disease‚ Mud fever‚ Canicola fever‚ Flood fever‚ Swineherd’s Disease‚ Japanese Seven Days fever. Definition and Background * A bacterial zoonotic disease caused by spirochaetes of the genus Leptospira that affects humans and a wide range of animals‚ including mammals‚ birds‚ amphibians‚ and reptiles. * First described by Adolf Weil in 1886 when he reported an “acute infectious disease with enlargement of spleen‚ jaundice and nephritis” Causative
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Infectious Disease Case Study Assignment After reviewing this case study‚ address these questions: 1. West Nile fever is caused by the West Nile virus. Describe the emergence of novel disease in the Western hemisphere. Provide some examples of sources of infection for novel diseases‚ including the mode of transmission for WNV. Why is this a concern? In late August of 1999‚ an unusual cluster of encephalitis cases was reported to NYC’s Department of Health. Laboratory sequencing of virus isolated from brain tissue of birds
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Dengue hemorrhagic fever‚ also called breakbone fever‚ is caused by a virus found in tropical and subtropical areas and transmitted by a mosquito bite. Incubation is usually 3 to 6 days after the bite. Signs and symptoms include fever‚ severe joint and muscle pain‚ and rash. Dengue hemorrhagic fever (DHF) is a more severe presentation of dengue fever caused by the same mosquito bite. A strain of Arbovirus caused Dengue Hemorrhagic Fever and transmitted by the Aedes aegypti mosquito. Characteristics
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Alonzo‚ Abigail S. B.S. Bio 3 Microbiology February 21‚ 2013 LEPTOSPIROSIS Leptospirosis is a bacterial infection caused by long‚ thin‚ motile spirochetes belonging to the genus Leptospira‚ family Leptospiraceae‚ and order Spirochaetales. These spirochetes are finely coiled‚ thin‚ motile‚ obligate‚ slow-growing anaerobes. Their flagella allow them to burrow into tissue. More recent work has identified 7 distinct species of pathogenic leptospires‚ which appear as more than 250 serologic
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A disease also called coccidioidomycosis or (CM) due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop symptoms. Most often they have an influenza-like illness with fever‚ cough‚ headaches‚ rash‚ and myalgias. Usually‚ those people with symptoms‚ 8% have severe lung disease requiring hospitalization and about 7% develop disseminated infection throughout the body. Valley fever is a lung infection. A fungus becomes airborne when dust around construction
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Norwalk Virus As the summer season is in full gear now a particular virus is looming in the horizon. This virus is an important cause of acute gastroenteritis in humans and is the most frequently implicated cause of outbreaks of viral gastroenteritis worldwide. Noroviruses are a group of single-stranded RNA viruses in the family Caliciviridae that cause acute gastroenteritis in humans.(1) Norwalk virus is the prototypical strain in the genus. Noroviruses cause an estimated
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Viral replicase catalyzes that replication to produce new viral particles which move on to infect other cells. Different coronaviruses cause different transcription and translation patterns in the host. The symptoms of SARS include fever of 38 °C‚ Myalgia‚ lethargy‚ gastrointestinal symptoms‚ cough‚ sore throat‚ etc. Vibrio cholerae Vibrio cholerae is a water borne bacteria causes Cholera and transmits by being carried in water or contaminated food such as shellfish and plankton to get into human
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The effect of SARS on the human population February 2003‚ Asia reported an outbreak of severe acute respiratory syndrome‚ commonly known as SARS. SARS is a viral respiratory illness caused by the virus SARS-associated coronavirus (SARS-CoV). Within a few months the virus spread to over two dozen countries‚ causing SARS to be considered a global infection. The virus spread to North America‚ Europe‚ South America and Asia before it was contained in 2003. A total of 8‚098 people were infected by SARS
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