Advantages of Genetically Engineered Vaccines: Different approaches are employed to generate and also deliver a vaccine; each method has its own merits and demerits. Few of these merits are discussed below: The main advantage of genetically engineered organisms used as vaccines is that the proteins that are formed do not contain the complete viral strain. So it has no risks related to accidental immunization with live virus. Direct cloning into the DNA of vaccinia virus is promising‚ however vaccines
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Gbengon‚Sennie Microbiology Lab Case study # 5 November 1‚2012 1. What evidence suggests that the young graduate student has contracted what disease? Ans: The signs and symptoms the young graduate student presented‚ show evidence of Lyme disease. 2. What is the environmental pathway for the vector of this disease? Ans: The environmental pathway for the vector of this disease would be a forested habitat. The black-legged tick or the deer tick is the principle vector of this disease (Lyme
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Dioxins/Furans and the use of such is intoxicating & killing us like a poor man‚ hunting for his bargain each day & tricking us into death & ripening disintegration. Like many but not all toxins‚ dioxins can be an extremely deadly and dangerous byproduct; the reason why it is considered a carcinogen. It is also one of the mayor factors in the polluting of our environment‚ it may be small & puny but its resistance and bio radioactivity makes up for its size‚ increasing its potential threat immensely
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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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1. Distinguish between viruses‚ bacteria‚ rickettsia‚ fungi‚ parasites‚ and prions. 2. Viruses: RNA or DNA‚ obligate intracellular parasites. Seek “permissive cells to infect. Some strains have shown periodic changes by have mutations and forming new strands; Require a tissue culture in order to grow; Consist of RNA or DNA in a protective glycoprotein coat; Influenza – Dengue Fever – carried by mosquitos St. Louis encephalitis virus – carried by mosquitos HIV Hepatitis – Makes skin a yellow
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Resurgence of Pertussis Pertussis has made a reemergence in well-vaccinated populations. Pathogenic adaptation and the decrease in strength are most likely the cause of the reemergence of pertussis. There is pressure for vaccine research because of the resurgence of the pathogen. Pertussis remains one of the leading causes of vaccine preventable deaths in infants under 1 year of age. Pertussis is a Gram-negative‚ bacillus called Bordetella pertussis. This bacterium binds to the ciliated epithelial
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Biology exam Endocrine system: Hormones: chemical messengers that coordinate the body’s activates. Substances secreted by cells that act to regulate the activity of other cells in the body. They are part of the endocrine system and they are slow acting but have a longer affect than neurotransmitters. Functions: * regulate growth‚ development‚ behavior‚ and reproduction. * Maintain homeostasis * Regulate metabolism and water and mineral balance * Respond to external stimuli
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is caused by one of the four closely related‚ but antigenically distinct‚ virus serotypes Dengue type 1‚ Dengue type 2‚ Dengue type 3‚ and Dengue type 4 of the genus Flavivirus and Chikungunya virus. Infection with one of these serotype provides immunity to only that serotype of life‚ to a person living in a Dengue-endemic area can have more than one Dengue infection during their lifetime. Dengue fever through the four different Dengue serotypes are maintained in the cycle which involves humans and
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Akash G 12M 1.0 - Disease 1.1 Pathogens: Pathogens are disease causing microorganisms Disease is the symptoms displayed on a person following an infection‚ a malfunction of the body or mind Infectious Disease: Caused by bacterium‚ virus‚ fungum transferred from one person to another Non Infectious Disease: A disease that is not caused by a transmitted pathogen (e.g. Stroke‚ arthritis‚ obesity) Interface: A surface or boundary between two systems For a microorganism to be a pathogen‚ it
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The following are examples of frequently missed questions from the unit exams. The questions are similar in theme to the ones missed however were taken from blackboard and are not exactly worded like the exam questions. They are meant to act as a study guide only. Please do not have the misconception that these questions will be the exact questions on the final. What you should do is to use these questions as a guide and to research not only why the answer is correct but also why the other answers
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