The role MHC class II plays on the immune system is that some of its genes code for proteins that will be expressed on the surface of the immune system cells. Peptides which are protein fragments outside the cells will allow these proteins to be attached to them‚ if these proteins are recognised by the immune system as foreign (such as viral and bacterial) the MHC will send a signal to the immune system to trigger an immune response against the invading bacteria or virus. The HLA class I and class
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INFECTION An infection is the colonization of a hostorganism by parasitespecies. Infecting parasites seek to use the host’s resources to reproduce‚ often resulting in disease. Colloquially‚ infections are usually considered to be caused by microscopic organisms or microparasites like viruses‚ prions‚ bacteria‚ and viroids‚ though larger organisms like macroparasites and fungi can also infect. Hosts normally fight infections themselves via their immune system. Mammalian hosts react to infections
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Possible little protein with clear peptide or no protein at all Our results are correct because water and starch should not contain protein (starch is a polysaccharide but not of an amino acid) and therefore remained blue unlike Albumin and Pepsin which do contain proteins causing them to turn into a different color. Test tube # 1 is the controlled sample; a controlled sample is an experiment under regular conditions. Experiment Procedure include controlled sample in order to indentify the difference
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It will be helpful to first examine what is understood by the term "language play". Used experimentally‚ language is inextricably connected to play. It is intrinsically symbolic‚ adventurous‚ informative‚ and dynamic. As Marian Whitehead writes‚ "Language and play share several characteristics: both use symbols to stand for a range of ideas‚ feelings and experiences; both are reflections of human thinking and also creators of new thoughts; both are part of our genetic make-up." Terry Campbell
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Describe what your role‚ responsibilities and boundaries would be as a teacher in terms of the teacher/training cycle. Introduction For obvious reasons‚ H&S Toolbox talks have to address current legislation and topics covered in relevant Approved Codes of Practice. Also‚ due to the practicalities of taking employees away from their normal activities‚ courses have to be relevant‚ concise and deliver results. It follows therefore that planning and delivery in my profession is key to successful training
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stolen wallet Victim: Officer‚ I’d like to report a crime. Police: Can you tell me what happened? Victim: I was in the market when somebody pick-pocketed me and stole my wallet. Police: Can you describe the person who stole your wallet? Victim: Yes‚ it was a slim man‚ about 180cm tall with short‚ brown hair. Police: What was in the wallet? Victim: A credit card‚ £65‚ my driving licence and my house keys. Police: What time did this happen? Victim: About 2pm. Police: Were there any witnesses? Victim: I
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1 Define and explain asepsis‚ antisepsis and cross infection Asepsis- An environment that is free of harmful microorganisms. An aseptic technique ensures that only uncontaminated equipment and fluids come into contact with susceptible body sites. It should be used during any clinical procedure that bypasses the body’s natural defences. Using the principles of asepsis minimises the spread of organisms from one person to another. Aseptic techniques are used to reduce contamination from microorganisms
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Reflection Paper Counseling Session Role Play Between Kristen (student/client) and Tiffany Ellison (Therapist) Tiffany Ellison Barry University Identifying health risk behavior My client Kristen came in for a follow-up session to focus on codependency issues‚ feeling overwhelmed with her mother‚ and not having time to focus on her. Kristen seems to be focusing all of her time on her mother and less time to herself. Kristen is aware that she is not strong
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Problem Set - Small Molecules (Campbell Chapters 2 and 3) 1. What are the SPONCH elements and what is common among these elements that make them suitable for life? State the four most frequently occurring of the SPONCH elements. Which of the SPONCH elements is found in each of the large biomolecules (carbohydrates‚ proteins‚ lipids‚ nucleic acids). The SPONCH elements are Sulfur‚ Phosphorus‚ Oxygen‚ Nitrogen‚ Carbon and Hydrogen. These are the five key elements that compose living
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1.Explain what is meant by the term ‘physical change’ A physical change is where the appearance or traits of the substance/item change these changes can be‚ change of size‚ shape‚ color‚ volume and state. The molecules in the substance can be rearranged but their composition must stay the same. No new substance can be formed. They can be reversed most of the time. 2. Describe one example of a physical change in everyday life and explain why it is a physical change. Melting an ice cube is a common
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