What is oral hygiene? Oral hygiene is the practise of keeping the mouth clean in order to prevent bad breath and maintain healthy gums and teeth. What is Plaque? Plaque is a sticky film that forms on teeth‚ it contains bacteria that changes sugar into acid‚ leading to cavities (holes) in teeth. Plaque is bad for teeth‚ because a build up of plaque leads to gum disease. Oral hygiene during early childhood is vital for ensuring the health of teeth and gums and teaches children the daily routines required
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days. It did not take much of a leap to discover leavened (raised) bread when yeast was accidentally introduced to the paste. Instead of waiting for fortuitous circumstances to leaven their bread‚ people found that they could save a piece of dough from a batch of bread to put into the next day’s dough. This was the origin of sour-dough‚ a process still used today. In Egypt‚ around 1000 BC‚ inquiring minds isolated yeast and were able to introduce the culture directly to their breads. Also a new strain
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would need to either a symbiotic partnership (where both sides benefit) or be a parasitic fungi (where it absorbs the nourishment off of a living host). Most fungi are multicellular with eukaryotic cells‚ but some can be unicellular also‚ like yeast. Like plants‚ cells in fungi also have cell walls. But instead of being made of cellulose‚ it is made of chitin‚ a more flexible material. In general‚ fungi will have a basic structure of having a small filament (called hyphae) network that stretches
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refers to the hardening of the arteries caused by the accumulation of fatty deposits (plaques) and other substances. It is important to note that all patients with atherosclerosis have arteriosclerosis but those with arteriosclerosis might not have necessarily have atherosclerosis. Atherosclerosis is a chronic disease which is caused by the thickening of the artery wall as a result of the accumulation of plaques which are made up of calcium and fatty materials such as cholesterol particles (lipoproteins)
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Genomes as Resources for Biocatalysis JON D. STEWART Department of Chemistry‚ University of Florida Gainesville‚ Florida 32611 I. II. III. IV. Introduction Yeast Dehydrogenase Gene Identification Expression and Isolation of Yeast Dehydrogenases Characterization of Yeast Dehydrogenases A. Results from Ethyl Acetoacetates B. Results from Higher Homologs C. Synthetic Applications V. Conclusions and Future Directions References 31 33 34 35 37 40 43 46 49 I. Introduction How well biocatalysis
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Memorandum Re: Business Plan Assessment - Private Concepts Critically analyzing a business plan for its viability and opportunity for success is absolutely necessary from any stakeholder’s perspective. Doing so aides an investor in knowing whether or not to invest‚ a bank in deciding on a loan‚ or even a partner in his/her decision to join a venture. But perhaps most importantly‚ a critical analysis of a business plan can and will help the entrepreneur to assess whether or not an idea under
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Plot a graph of rate of oxygen production against concentration of hydrogen peroxide. Pour the hydrogen peroxide into the test tube that contains the yeast and immediately put the gas syringe bung on the end of the test tube immediately ‚ at the same time start the stopwatch. finish and record results and make a graph. accurate to help make this experiment more accurate i will repeat it 3 times and then
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called an anabolic reaction. Apparatus Needed For The Experiments 1. Gas Syringe 2. Metal Stand 3. Yeast Catalase 4. Hydrogen Peroxide 5. Test Tubes 6. Beakers 7. Test Tube Rack 8. Stop Watch 9. Pipette 10. Pipette Filler 11. Tap Water Method To test out how the concentration of hydrogen peroxide affects the rate of reaction first set up the apparatus below. 1. Add 2cm3 of yeast to one test tube. Add 4cm3 of hydrogen peroxide solution at a concentration of 20% to the other test
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National Institute of Dental and Craniofacial Research (n.d‚ Para. 1-9). Plaque: What is it and How do We Get Rid of It? Retrieved from www.colgate.com Plaque is a sticky build-up of bacteria that forms on teeth and gums‚ causing cavities‚ gum disease and bad breath. This article from the Colgate website focuses on how to remove and prevent plaque and also shows step by step information how to remove plaque. The source of this article comes from a top selling brand called Colgate and based upon
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in the tooth. Cavities are caused by bacteria which combines with food and creates a sticky substance known as plaque. Plaque sticks to the teeth and converts sugars into acid which then dissolves the tooth structure‚ causing holes‚ or cavities.When you brush your teeth properly‚ at least twice a day‚ you are removing the plaque that causes cavities. Flossing daily will remove the plaque from in between the teeth that the toothbrush cannot reach. Although cavities are the least severe effect of not
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