What are the three mechanisms by which disinfectants work? Describe. The three mechanisms by which disinfectants work are crosslinking‚ coagulating‚ clumping; structure and function disrupture; oxidiaing Crosslinking‚ coagulating and clumping - Like many disinfectants alcohols are generally considered to be non-specific antimicrobials because of their mant toxic effects.Alcohols cause all proteins to clump and lose funcion. The alcohol must be diluted with water fir the greatest effect because proteins
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The question being addressed in this lab is which ingredient will produce the most bubbles? If baking powder‚ baking soda‚ and salt are added to different test tubes of sugar water‚ then baking soda will have the most effect on the rate of fermentation (create the most bubbles). This hypothesis is rejected. Based off of data‚ the hypothesis was rejected. The ingredient that produced the most bubbles was baking powder. In the experiment finishing at 20 min.‚ the control had 2.5 cm of bubbles produced
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1- Constructivism Piaget vs. Vygotsky Jean Piaget believed that child developments are biological‚ while Lev Vygotsky believed that child development comes is co-constructed using The Zone of Proximal Development and Scaffolding. 2- According to Piaget children can develop their cognitive skills by genetic‚ and exploring the environment around them. He specified that children’s knowledge have three process of adaptation Assimilation‚ when the child uses previous knowledge to understand new information
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practices. The legal influences which consists of regulations and legislations‚ encourage the employers and employees to make direct agreement about the terms and conditions of employment that will apply at the workplace‚ and in this way‚ the power of unions are weakened as there are restrictions on union right of entry to workplaces and on the enforcement of union membership. Meanwhile‚ the economic influences on employment relations include the level of economic activity‚ which involves several stages
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How to Compare & Contrast the Theories of Piaget and Vygotsky Jean Piaget was a Swiss developmental psychologist famous for his theories of child development‚ particularly his theory of cognitive development. He proposed a stage theory of development‚ which linked the interaction between cognitive and biological development in children. Lev Semyonovich Vygotsky was a Russian psychologist who was most famous for his theory of sociocultural development and believed that development occurs primarily
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1. Which job role works in a lab environment and might not interact with users of the PCs being repaired? A) Help-desk technician B) Bench technician C) PC service technician D) PC support technician 2. Which job role works on site‚ closely interacting with users‚ and is responsible for ongoing PC maintenance? A) PC support technician B) PC service technician C) Bench technician D) Help-desk technician 3. Which of the following is true about the A+ 2012 certification and exams? A) after
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Jayna Kovel World Theatre Greg Justice 07 November 2013 The View Unnerving. That’s the only way to describe walking into a dimply lit black box theatre to realize that the actor you have come to watch…is watching you. He’s acting‚ yes‚ but the whole premise of “The View” could not have been more clearly stated as we sat down to the crackle and pop of white noise in the background. In the tiny theatre‚ I couldn’t have been more than ten feet from what we were soon to learn was the main character
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It is important that we examine precisely the provisions that will be available to the Caribbean Countries‚ as this will strengthen our discussions on ways in which businesses in the Caribbean should organize themselves to take advantage of the Economic Partnership Agreement. Norman Girvan’s article “Implications of the CARIFORUM-EC EPA‚ examined the provisions‚ state that the EPA was a trade agreement with development components designed to open-up and develop trade between Europe and CARIFORUM
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officers views openly gay and lesbian individuals as extremist militant types because of the following reasons: Social learning - Police officers grew up in an environment whereby gays and lesbian were view by the society as extremist militant types and therefore they grew up with that perception in mind and when the join police‚ they still have the same perception which lacks basis. Labeling - This has been as a result whereby the police officers just label them that way and this behavior which is a
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AIM: I am carrying out an investigation to see which alcohol is the best fuel. I will do this by experimenting with different alcohols and setting them alight and measuring different factors. I will analyse all my results and try to discover patterns‚ which should help me to conclude which alcohol is the best fuel. PLAN ==== This is how my experiment will be set out: ========================================== Keeping this experiment a fair test ===================================
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