Introduction A substance that kills or prevents the growth of microorganisms for example bacteria‚ fungi or protozoans is called an antimicrobial. This substance has 2 major roles which are to either kill microbes (microbiocidal) or prevent the growth of microbes (microbiostatic). Disinfectants are antimicrobial substances used on non-living objects outside the body. This substance included antibiotics‚ antifungals‚ antiprotozoals and antivirals.(1) For a long period of time‚ plants have been a valuable source
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Magic Cup “Which type of paper would best work in this experiment?” The first thing Ms. Trainer did was fill the cup with water. Next‚ she took a piece of sketchbook paper‚ and put it on the rim of the cup. Then‚ Ms. Trainer flipped the cup in one second. Lastly‚ the water did leak through the paper‚ after a couple of seconds. The hypothesis is that sketchbook paper can hold the water longer than origami paper. When the cup is flipped and the water is not leaking through the paper‚ it is due
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Hey so this is how you say Hi. Hi! You can also say hi by saying Hello‚ Hola‚ and bye..... wait that is not right. Bye is how you say bye. You can Which of the following describes the selection of federal judges? The president nominates someone to fill a vacancy‚ and the Senate confirms the choice. The Senate nominates someone to fill a vacancy‚ and the president confirms the choice. The president nominates someone to fill a vacancy‚ and the House confirms the choice. The House
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Expectations from the proceptual divide – two episodes Raquel‚ a second year student of Business had some interest about the problem and decided to work alone. Grabbed her tablet a searched (in Portuguese) for similar problems switching to English when she found some articles related to Monty Hall. Her solution is based on the conditional probability‚ namely Bayes Theorem using a decision tree as shown in figure 2 bellow: Figure 2. Sketch presented by Raquel to explain her solution
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The effect of alcohol concentration on the cell membrane Abstract: In this experiment I found out that as the concentration of the alcohol was increased so did the colour intensity of the solution. This is because the higher concentration of ethanol‚ results in more damage done to the cell membrane‚ resulting in leakage of red pigment from the cell. If the membrane is damaged more‚ more red pigment will leak out of the membrane and into the ethanol. Hypothesis: The higher the concentration
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IS SOCIETY OBLIGATED TO PROVIDE WELFARE TO THOSE WHO NEED IT? Welfare is aid in the form of money or necessities for those who need it. Obligation means duty or responsibility. It binds morally. The question then turns to be does Society have a moral duty to help the needy? Lets first consider what argues against such a responsibility. What I earn through my own hard work is mine and no one has the right to take it away from me. It is morally wrong to take something from me unless I choose to give
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The novel‚ ‘Does my head look big in this?’ written by Randa Abdel-Fattah is about the main character‚ Amal‚ she had the challenging decision to wear the hijab which came with not only advantages‚ but disadvantages and after making the hard chose to wear it full time she started to develop her own sense of identity by embracing her Muslim- Palestinian- Australian heritage through many different ways. Her family and friends all give her full support after she makes the decision to wear the hijab full
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. Surely this is the case with William Wallace the following essay by Matt Ewart was printed in the Herald newspaper in Scotland on Saturday November 15th‚ 1997. The story of Wallace poured a Scottish prejudice into my veins which will boil along till the floodgates of time shut in eternal rest. Robert Burns For William Wallace‚ Scottish patriot‚ the floodgates of life closed on that terrible day in 1305 when‚ after a cynical mock trial at Westminster Hall in London‚ he was dragged through
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Structures and processes involved in the movement of substances into and out of cells. Epithelial cells – Epithelial cells are also referred to as eukaryotic cells. These types of cells have a unique nucleus and contain membrane-bounded organelles. Epithelial cells absorb and secrete‚ and the structures of a cells organelles can be viewed from an electron microscope. The nucleus – the nucleus of a cell contains most of the cell’s genetic material‚ organized as multiple long linear DNA molecules
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Cells are some of the smallest organisms around. All living things consist of cells‚ and yet they are invisible to the naked eye. Cells are the basic structural and functional units of life. Cells are made up of many different parts which allow them to function properly. All cells are separated from their surrounding by a cell membrane. The cell membrane regulates what enters and leaves the cell and also aids in the protection and support of the cell. A cell membrane
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