future use in various fields. -Simple stain helps with determining the sizes‚ shapes and arrangements of microorganisms. -Gram stain assists in identifying the type of microbes‚ whether they are gram positive or negative‚ which in turn tells us what kind of cell wall the microbes have. -Endospore stain tells whether microorganisms make endospores. -Acid-fast stain is helpful in recognizing the existence of mycolic acid in cell walls. -Capsule stain reveals the existence of capsules.
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Bio Lab Report Title: Gram-Negative and Gram-Positive contamination in yogurt. Introduction: There is bacteria that is beneficial and harmful in the human. Yogurt was choosed to be the best example that contains this bacteria. What happens to be the difference between these two types of bacteria‚ and how are they harmful? The bacteria is considered “Gram-Negative‚” and the substance is considered contaminated when there is more negative bacteria than positive bacteria. This will prove or disapprove
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Identification of Unknown # 15 Abstract. One of the most fundamental differential staining techniques used in the study of bacteriology is gram staining. There are two main types of bacteria‚ gram negative and gram-positive. The purpose of this experiment was to perform a variety of tests to identify the bacteria contained in the unknown sample labeled number 15. The following are the tests that were used to identify the two different bacteria. The
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There can be intentional stains (such as wood stains or paint)‚ indicative stains (like food coloring or adding a substance to make bacteria visible under a microscope)‚ natural stains (such as rust on iron or a patina on bronze)‚ and accidental stains (like spilling ketchup on your shirt.) While the types of stains are very different in application‚ they all form in the same basic ways: The primary method of stain formation is surface stains‚ where the staining substance is spilled out onto the
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understand this lab we first need to know what gram-negative and gram-positive bacteria are and what it’s composed of. Gram-positive bacteria take up the class of bacteria that stain crystal violet in the method of bacterial differentiation. Where gram-negative bacteria are a class of bacteria that does not retain crystal violet. Instead they are counter-stained pink by Safranin‚ and because of this‚ identifying positive is possible. One of the many differences between gram-negative and gram-positive bacteria
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Name SOLUBILITY CURVES Answer the following questions based on the solubility curve below. Which salt is least soluble in water .. at 2O° C? 2. How many grams of potassium chloride can be dissolved in 200 g of water at 80° C? IO 3. At 40° C‚ how much potassium _ __nitrate coin be dissoiu$tl ^n 30D.g of water? ------W- ’1 80 70 ...- O --60 0 5© 40 4. Which salt shows the least change 30 In solubility from 0° - 100° C? 20 10 At 30° C‚ 90 g of sodium
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difference between a gram positive bacteria and gram negative bacteria is the differences in cell wall composition. Prokaryotes known as eubacteria have three basic forms: rods‚ cocci and spiral. The bacterial cell wall is the single most important contributor to cell shape. In addition to shape of cell wall‚ presence or absence of flagellum‚ and if present‚ positions of flagellum‚ the eubacteria can be classified according to Gram Stain. First and foremost‚ gram positive bacteria are
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Cucumber as stain remover For kitchen sinks A research report Submitted to zamboanga Del Sur National High school Special science curriculum as an entry for the science fair S.Y 2013-2014 Researchers: 1. Dia-una‚ Rachell 2. Lagang‚ Ella Mae 3. Villarin‚ Mitzi 4. Dumanjug‚ Hassan 5. Balimbingan‚ Muhader 6. Canencia‚ Rosevick 7. Manupac‚ Aldemmer 8.
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An Essay On Poop Stains Issues surrounding poop stains can never be over analyzed. I find my self constantly drawn back to the subject of poop stains. While it is becoming a hot topic for debate‚ it is important to remember that ‘what goes up must come down.’ Since it was first compared to antidisestablishmentarianism much has been said concerning poop stains by so called ’babies’‚ whom I can say no more about due to legal restrictions. With the primary aim of demonstrating my considerable intellect
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of the Pineapple peeling as stain remover. We observe that people who can’t afford commercialized stain remover use vinegar as alternative. And mostly of the vinegar are made up in coconut‚ apple and etc. We want to find out if pineapple peeling extract is effective as stain remover. That’s why we come up with this project/ experiment. Statement of the Problem and Objectives 1. To prove the effectiveness of the Pineapple Peeling as a stain remover 2. To know how long
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