Independent University‚ Bangladesh Admission Test (Sample) Math-Physics (Engineering) Total Marks: 50 Name Instructions: a) Turn-off all mobile communication devices (cell-phones‚ PDAs‚ laptops‚ etc.) b) There are 25 (twenty five) problems. You have to attempt all of them. c) Each problem has 5 (five) possible answers. Choose the correct answer‚ and fill the appropriate oval on the answer sheet. d) There is no negative marking. e) Do not fill more than one oval for any problem. f) It is preferable
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Measuring the efficiency of various carbohydrate substrates in yeast fermentation. Cherrishe Brown October 3‚ 2007 Dieldrich Bermudez BSC 2010L Sect# 0560 Discussion As expected in the experiment Glucose‚ Fructose‚ and Sucrose were all utilized for fermentation. Based on the rate of evolution of CO2 the yeast was most efficiently able to utilize the substrate Glucose‚ followed by Sucrose and Fructose respectively. Given more time I believe that Sucrose would have surpassed glucose in total
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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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INDUSTRY PROFILE: The advent of modern sugar industry began in 1930 with grant of tariff protection to the Indian sugar industry. The number of sugar mills increased from 30 in the year 1930-31 to 135 in the year 1935 and the production during the same period increased from 1.20 lakh tones to 9.34 lakh tones under dynamic leadership of the private sector. The era of planning for industrial development began in 1950-51 and government laid down targets of sugar production and consumption licensed and
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Cellular Respiration through Alcoholic Fermentation Abstract: The experiment was conducted to determine the impact different yeast amounts had on yeast fermentation. It was hypothesized that the more yeast added the more CO2 would be produced. The carbon dioxide production was measured in the fermentation of yeast with solution of no yeast in test tube 1‚ 1mL yeast in test tube 2‚ and 3mL of yeast in test tube 3 over a period of twenty minutes. All of the yeast amounts produced CO2‚ but test tube
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Is Sugar the New Tobacco? Americans consume around 100 pounds of sugar per year. The daily consumption of sugar has increased worldwide by 46% in the last 30 years (“Sugar”). The Netflix film “Sugar Coated” shows what people have been ignoring over the years about sugar. "As obesity‚ diabetes‚ and heart disease rates skyrocket and doctors treat the first generation of children suffering from fatty liver disease‚ the sugar industry is under siege‚” (“Sugar”). This means that more diseases are
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membrane. It always navigates to the area of the membrane with a higher solute concentration. We take a closer look at the effects of osmosis in this lab through the examination of red blood cells (sheep)‚ plant cells (elodea)‚ and active transport in yeast. Under the microscope‚ we can determine the effects on plant and animal cells exposed to hypotonic‚ hypertonic‚ and isotonic sodium chloride solutions. Plant cells have a cell wall; however‚ animal cells do not. This is examined as a major difference
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Sugar 1) Research your topic and find out other names used in this ingredient. Barley malt | Cane sugar | Carob syrup | Dextrose | Fruit juice | Beet sugar | Caramel | Castor sugar | Diastatic malt | Fruit juice concentrate | Brown sugar | Corn syrup | Date sugar | Diatase | Galactose | Buttered syrup | Corn syrup solids | Demerara sugar | Ethyl maltol | Glucose | Cane juice crystals | Confectioner’s sugar | Dextran | Fructose | Glucose solids | Golden sugar | Grape sugar | Honey
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of reactions that converts glucose to pyruvate with the concomitant formation of ATP. Three fates of this pyruvate produced exist. In this practical the production of pyruvate and acetaldehyde by fermentation of glucose is established. A series of test tubes was set up each containing glucose and yeast suspension in buffers at different pH values. These test tubes were incubated for an hour at 37℃. Trichloro-acetic acid solution was then added to the first 2 of the 4 test tubes prior to centrifugation
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Yeast Population Dynamics Lab How Environmental Factors Affect a Yeast Population’s Ability to Reproduce OBJECTIVE The objective of this experiment is to emphasize the influence that limiting factors have on a population. This lab tests yeast‚ a common component in baking‚ against two environmental factors (changes in temperature or concentration) to see what effect these have on the population dynamics of the yeast over a period of 72 hours. There are two sections of tests included in this
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