Dengue Virus Infection I. What is the name of the disease? What is the name of the pathogen that causes this disease? A. Dengue fever 1. Four related viruses 2. DENV 1‚ DENV 2‚ DENV 3 or DENV 4 B. Dengue Virus Infection II. What are some characteristics of the pathogen? How is the pathogen grown in the lab? A. Single stranded RNA virus 1.Positive strand virus of the family Flaviviridae 2. Virus enveloped with a lipid membrane. B. Replication grown in serum
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and Nagasaki. I only support this devastating attack because of what Japan did to the U.S and the bombing of Pearl Harbor. I do not support it when we do it just to kill thousands of people without a reason. It’s a lot cheaper and easier to create pathogens then to invent new form of weaponry in the gun or tank department. The U.S is a very powerful county with a big target on it for terrorist attacks. I like the thought of Biological engineered viruses because they can be used to create a sense of
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Genetics: the science of heredity that includes the study of what genes are‚ how they carry info‚ how they are replicated and passed to subsequent generations of cells or passed between organisms‚ and how the expression of their info within an organism determines the particular characteristics of that organism. Genome: the cell’s genetic information that includes it’s plasmids and chromosome. Chromosomes: structures containing DNA that physically carry hereditary info‚ contain the genes Genes:
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antibodies and lymphocytes. C. What are the two functions of the spleen? a. They break down red blood cells and make antibodies. D. What is the function of the tonsils? a. They function to guard against inhaled and ingested pathogens. They have deep pits that catch bacteria and food debris. E. What are the structural similarities found in lymph nodes‚ spleen and tonsils? a. They all have a capsule‚ they are rounded organs with an internal parenchyma of lymphoid cells
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control of weeds is the intentional use of living organisms (biotic agents) to reduce the vigour‚ reproductive capacity‚ density‚ or the impact of weeds. Bioherbicides comprising microbial agents such as obligate fungal parasites‚ soil-borne fungal pathogens‚ non-phytopathogenic fungi‚ pathogenic and non-pathogenic bacteria and nematodes. Several selected microorganisms have been extensively evaluated and developed or are under development for commercial
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placement. What is a hazard? A hazard is anything that has the potential to cause harm. Risk is the likelihood of that harm. For example hazards in terms of infection control are pathogens. Some pathogens are considered a greater risk to others‚ for example MRSA (super bug) or Clostridium difficile. What casues pathogens to grow? Baceteria grow by splitting in two. In ideal conditions bacteria can divide every 20 minutes‚ so the size of the colony doubles every 20 minutes. In theory a colony of
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bacteria and viruses‚ by identifying non-self substances which is often referred to as antigens. . The immune system has 3 lines of defence‚ which fights against foreign pathogens: 1st line of defence is made of physical and chemical barriers. This line of defence is called a passive immunity‚ as it prevents pathogens from entering primarily into the body. These barriers take place at the openings to the outer surface of the body‚ e.g. when a wound is opened‚ it can also occur at the skin
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Kacie Macalino 01/22/14 Chapter 31 Notes 31.1 - Plant Hormones Help Coordinate Growth‚ Development‚ & Responses to Stimuli Hormone – travels in body fluids‚ and act on specific target cells in other parts of the body‚ changing the target cell’s functioning Usually transported through the circulatory system Plant hormones are produced in very low concentrations A tiny amount can have a big effect on plant growth and development Tropism – any growth response that results in a plant organs curving
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3. Results and discussions 3.1. Disease Severity Results presented in Table 2 showed the disease severity (PDS) after 15 d of inoculation. A significant difference in the PDS was noticed between ‘Nicola’ and ‘Spunta’. The resistant cultivar (Nicola) showed lower incidence of infection compared to the susceptible cultivar (Spunta). Inducers’ treatments individually or in combination with difenoconazole (fungicide) showed significant protective effects against A. solani. The 2‚4-D was the most
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Understand roles and responsibilities in the prevention and control of infections 1.1 Explain employees’ roles and responsibilities in relation to the prevention and control of infection It is our responsibility as employees to take precautionary measures to prevent and control the spread of infection in the workplace. This involves working safely to protect myself‚ other staff‚ visitors and individuals from infections. As employees we must ensure we attend all necessary trainings that our employers
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