In this lab my group and I tested to see how yeast would react to different substances. Yeast is a fungi that releases carbon dioxide which can be used in the process of bread making. During this lab we used sugar‚ warm water‚ cornstarch‚ yeast‚ a gas sensor‚ plastic cylinders‚ and a laptop. The process of this lab was to create cellular respiration‚ which is what cells do to break up sugars into a form that the cell can use as energy. When yeast and a certain substance were combined‚ this substance
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Lab Report Introduction: Fermentation‚ a type of anaerobic respiration that breaks down glucose into ethanol and carbon dioxide without the use of oxygen‚ is extremely vital in food processing. Especially useful in the making of bread and wine is yeast‚ a single-celled fungus. The rate of fermentation of these products can be done by measuring the amount of carbon dioxide produced by the work of the yeast. The specific variable we tested was the volume of fructose in each vial solution. Hypothesis:
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CAVITE NATIONAL SCIENCE HIGH SCHOOL Maragondon‚ Cavite Using a Digital Camera to Measure Light Pollution of Towns in Cavite Prepared by Price Brix Rexson Q. Bernal IV-Hydrogen INTRODUCTION Light pollution‚ also known as photopollution or luminous pollution‚ is excessive or obtrusive artificial light. * The International Dark-Sky Association (IDA) defines light pollution as: Any adverse effect of artificial light including sky glow‚ glare‚ light trespass‚ light clutter‚ decreased
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the class tested the effect of temperature on the rate of fermentation in yeast by measuring the height of CO2 produced in a graduated cylinder at varying degrees Celsius. Yeast can perform cellular respiration and fermentation‚ the first needing oxygen (aerobic) and the second not (anaerobic). Cellular respiration is the normal way human bodies’ make energy‚ but when lacking oxygen‚ cells undergo fermentation‚ which creates less energy than respiration‚ CO2‚ and lactic acid (though in yeast‚ ethel
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This lab was completed to determine the rate in which fermentation occurs in different sugars and to compare the rate of cellular respiration in germinating and non-germinating soybeans. Fermentation breaks down sugars for a source of energy. Cellular respiration is the process used by cells to produce energy from nutrients. This process allows sugars and foods to be broke down in order to obtain energy from adenosine triphosphate (ATP). Cellular respiration is vital for survival of cells. Oxygen
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who is in poverty. If a family’s total income is less than the family’s threshold‚ then that family and every individual in it is considered in poverty. The official poverty thresholds do not vary geographically‚ but they are updated for inflation using Consumer Price Index (CPI-U). The official poverty definition uses money income before taxes and does not include capital gains or noncash benefits (such as public housing‚ Medicaid‚ and food stamps). Income used to compute poverty status:
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that we cannot measure directly. In this case‚ it is seldom practical to measure the height the highest point of our school with a tape measure‚ but it can be accomplished easily by using an instrument called a clinometer to measure the angle of sight between the observer‚ in this case‚ Shanthanu‚ a somewhat normal human being‚ who holds a height of 1.72m‚ and the highest point of the school‚ and a measure tape to identify the distance of the observer from the center of the hall. Using this raw data
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LAB REPORT Lab #9- Yeast Fermentation Dates of performed work: 3/26/18 Date submitted: 4/23/18 Abstract Yeast are unicellular fungi which act as facultative anaerobes. This means that yeast is able to produce ATP by aerobic respiration while oxygen is present‚ but are also capable of anaerobic respiration if oxygen is not available. This is called fermentation. Fermentation
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Enzyme Reaction Rates Under Different Conditions Introduction In this lab you will observe how the rate of a reaction is changed as certain factors are changed. You will observe how changing factors like temperature‚ pH‚ substrate concentration‚ and enzyme concentration changes the rate of an enzymatic reaction. In this experiment you will act as an enzyme by breaking toothpicks witch act as substrates. After observing the results of this experiment you will be able to determine what causes the
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Purpose: The purposes of this lab include learning how to measure the pH of several different liquids as well as learning how to change the pH of those liquids by adding other acidic and alkaline mixtures. Materials: Graduated cylinder- used to measure the various liquids 4 100 mL beakers- used to hold liquids when measuring pH pH meter- used to measure the pH of the various liquids Tap water- liquid we are trying to find pH of Distilled water- liquid we are trying to find pH of Soda-
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