Disaccharides Sucrose A crystalline disaccharide of fructose and glucose‚ C12H22O11‚ found in many plants but extracted as ordinary sugar mainly from sugarcane and sugar beets‚ widely used as a sweetener or preservative and in the manufacture of plastics and soaps‚ also called saccharose. Sucrose is one of the main products of photosynthesis and the most common transport sugar in plants. It is also a no reducing disaccharide‚ and is synthesized in the cytosol via the phosphorylated intermediate
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Experiment In this experiment we estimated the osmolarity of potato tuber tissue by submersing different potato cores into sucrose solutions of 0.0-0.6M‚ and weighing the potato. We concluded that the osmolarity of the potato was about 0.4M since the weight of the potato did not change after it was incubated in the solution with 0.4M. We also found that the potato was hypertonic to sucrose solutions of 0.0-0.3M and hypotonic to 0.5-0.6M. C. Dialysis Tubing Experiment We tested the permeability of
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Cellular Processes Lab # 9 Biology 2010 By‚ Jani Hagen U#74644799 November 21‚ 2014 Abstract All cells undergo cellular resperation to produce energy. Common sources of energy include glucose‚ fructose‚ sucrose‚ startch‚ and fatty acids. The process varies depending on the fuel the cell is using. This report will show these differences by exopsing the yeast to several different conditions. The rate of the fermentation can be tracked by noting the carbon dioxide production at steady intervals
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THE PROCESS OF FERMENTATION THROUGH DIFFERENT KINDS OF SUGARS In order to produce ethyl alcohol fermentation‚ we had to determine what sugars used‚ such as glucose (a single sugar) sucrose (table sugar) and lactose (milk sugar) will react with yeast to produce ethyl alcohol fermentation. My hypothesis is that the sugar lactose would produce the highest amount of bubbles and ferment. INTRODUCTION: The significance of fermentation is a lengthy process that has been practiced by humankind
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INTRO: Cellular respiration is a process that happens in all living eukaryotic cells. What cellular respiration does is turn food often carbohydrates into energy for our bodies. Cellular respiration starts with a carbohydrates sugar called glucose. What it does is alter and break down the six carbon molecule glucose and altering it creating two three carbon molecules called pyruvic acids in an anaerobic process called glycolosis (Cellular respiration). What this process does is create two ATP molecules
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Dialysis of starch‚ glucose and sucrose Introduction: Research question: Does the dialysis tube only allow certain substances to pass through the pores because of their size? Dependent and Independent variables: Independent variables: The temperature of the classroom The size of the molecules The size of the pores in the tube The concentration of the indicators Dependent variables: The substance will either pass the pores of the tube or not The result will vary in darkness (color) Controlled
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The aim of this experiment was to show the water potentials of young‚ old and damaged potatoes and different sucrose concentrations (0.15‚ 0.20‚ 0.25‚ 0.30‚ 0.35 and 0.50). It was expected that the potatoes would lose weight as the potatoes would have lower water potential when placed in a solution ‚ and in this can be taken from the theory of osmosis which states that “the passive diffusion of water molecules across a selectively permeable membrane down a concentration gradient” (Taylor and Bruenn
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often found fruits. It is a five-sided sugar bound by glucopyranosyl and hydroxide ions. The five other sugars were sucrose‚ sucralose‚ aspartame‚ starch‚ and glucose. Sucrose is a disaccride found in table sugar. It is a five-sided sugar and a six-sided sugar held together by an oxygen. Sucralose is also a disaccride held together by an oxygen. The difference between sucralose and sucrose is that
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(Source: Final examination‚ Apr 2013) Q1. Sucrose is the organic compound commonly known as table sugar or saccharose. Figure 1.1 shows the structure of sucrose and the process in which sucrose is broken down into its monomers. [pic] Figure 1.1 (i) Identify monomer X‚ monomer Y and process A. (3 marks) (ii) When Benedict test was performed on sucrose‚ it was observed that the blue colour remained unchanged
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Abstract Research will be done and two experiments will be conducted to evaluate ethanol as a fuel‚ the experiments are Fermentation and Calorimetry. Fermentation will find the best combination of sugar and yeast for optimum ethanol production and the Calorimetry experiments test ethanol against other alcohols and fuels to see how it matches up in terms of energy production. Fermentation shows glucose and baker’s yeast as the fastest producers of ethanol and the calorimetry proves that ethanol and
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