1. The graph shows the blood glucose concentrations (in mMol) at fixed times over 2 hours (0‚ 15‚ 30‚ 60‚ 90‚ 120 minutes) after the intake of drink (diet coke and coke). 2. At time-point 0‚ there was no differences between the groups (p=0.743‚ t-test‚ n=6). The difference in the mean values of the two groups is not great enough to reject the possibility that the difference is due to random sampling variability. There is no statistically significant difference between the blood concentrations
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Definitions Alpha glucose- is an isomer. The hydroxyl group is attached facing down and away from the main structure. Beta glucose- is an isomer except the hydroxyl group is attached above the ring and on the first carbon. Fructose- a sugar of the hexose class‚ and is a simple ketonic monosaccharide found in many plants‚ where it is often bonded to glucose to form the disaccharide sucrose. Sucrose- Sucrose is a sugar‚ the organic compound commonly known as table sugar‚ cane sugar‚ beet sugar or
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CARBOHYDRATES 1322 Classification • Simple carbs consist of 1 or 2 sugar units • Monosaccharides • Glucose‚ fructose‚ galactose • Disaccharides • Sucrose‚ lactose‚ maltose • Oligosaccharides consist of 3-10 sugar units • Not a simple or a complex carb • Complex carbs consist of 10 + sugar units • Polysaccharides • Starch and fiber Monosaccharides 6 carbons= hexose Monosaccharides • Glucose • Most abundant carbohydrate • Preferred source of energy for the RBC‚ brain‚ and nervous system •
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significance of the research is to identify and correlate the human body’s pattern of fluctuation of glucose and insulin‚ to the sugar content in the food we eat and drink. We are trying to prove that when we consume “sugary” drinks or foods‚ that our blood glucose levels rise sharply‚ and slowly our body will start absorbing that glucose into our tissues through the aid of insulin‚ and blood glucose levels will again lower to normal levels. In our case we used soda‚ and diet soda to determine the
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lab. (Clendening 2014) The amount of glucose and glycerol were determined from the homogenate sample as well. Samples A(+) and B(-) were used to determine glucose. Sample A had 8mg/ml amylogloucosidase in .2M citrate buffer‚ pH 5.0 and was incubated at 37° Celsius for two hours to allow for the enzyme to digest the glycogen. Sample B was the control‚ where only .2M citrate buffer‚ pH 5.0 was added which was used to measure the amount of free glucose. While incubating‚ glycerol was determined
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water. e) Hydrophobic and hydrophilic: Hydrophobic avoids water‚ whilst hydrophilic is attracted by it. 2. a) Hydrolysis of maltose: glucose + glucose = maltose + H2O b) The condensation reaction that forms a triglyceride: Glycerol + 3 fatty acids = triglyceride + 3H2O c) Hydrolysis of starch to remove a single molecule: Starch + H2O = 3 glucose 3. The transparency of water is important to life because it allows organisms living in water to absorb the sunlight and carry out photosynthesis
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to ferment other sugars and artificial sweeteners‚ and how lactase influences yeasts ability to use lactose as a food source Kristina Naydenova Father Michael Goetz Purpose Part A: To investigate whether yeast has the ability to ferment glucose to produce carbon dioxide gas and ethanol. Part B: To investigate whether yeast has the ability to ferment other sugars and artificial sweeteners and how lactase influences their ability to use lactose as a food source. Question Part A:
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MONOSACCHARIDES STRUCTURES FISCHER HAWORTH CHAIR Glucose Fructose DISACCHARIDES (Haworth and Chair structures only) Lactose Sucrose HAWORTH CONFORMATION HAWORTH CONFORMATION CHAIR CONFORMATION CHAIR CONFORMATION Maltose HAWORTH CONFORMATION CHAIR CONFORMATION POLYSACCHARIDES Amylose CHAIR CONFORMATION HAWORTH CONFORMATION Glycogen B. BENEDICT’S TEST FOR REDUCING SUGARS Compound Color Reducing Sugar (yes/no) Water Blue No Glucose Red Yes Fructose Reddish-Orange Yes Sucrose
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and compact than starch. Glycogen plays an important role in the glucose cycle. It forms an energy reserve that can be quickly mobilized to meet a sudden need for glucose‚ but this is less compact. Muscle glycogen is converted into glucose by muscle cells. On the other hand‚ liver glycogen converts to glucose for use throughout the body. The liver is essential for monitoring and maintaining a relatively constant level of glucose in the bloodstream‚ hence the liver is involved in glycogen breakdown
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Test Bacterium 2 Test Bacterium 3 Test Bacterium 4 Gram Stain Gas from Glucose Acid from Glucose Sucrose Lactose Identification Initial color of medium in Gas and Acid from Glucose test: If you have a positive test‚ describe the changes seen in the medium. What is the purpose of the Durham tube? You use the Durham tube to trap gas. Discussion o All four bacteria were able to metabolize glucose‚ but not all produced identical results. Predict the metabolic products expected
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