Honey has been a staple of the kitchen for centuries. It is a natural substance produced by honeybees‚ Apis mellifera‚ in almost every country in the world. Honey is essentially a concentrated aqueous solution of inverted sugar‚ namely fructose and glucose‚ but it also contains a very complex mixture of other saccharides‚ enzymes‚ amino and organic
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product contains. It is used to identify and differentiate two closely related species. 2. What are the carbohydrate profiles of the organisms you tested? (2) The yeast carbohydrate profile came out with glucose and fructose positive and Mannitol negative. The staph epidermidis was glucose‚ lactose and sucrose positive and mannitol negative. 3. Why is it important not to incubate the fermentation tubes more than 24 hours?(1) Because the sugar test will have a higher chance that the color will
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Moore “What do you think? – What do you know?” Questions: In this lab‚ we will investigate the effect of sucrose concentration on the rate of cellular respiration in yeast. Under specific conditions‚ yeast will convert sucrose into glucose and then use this glucose in cellular respiration. Yeasts have been used by humans in the development of civilization for millennia. What is yeast? How have humans used yeasts? * Yeast is a fungi‚ it grows. Humans use much yeast in our bread today‚ because
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University of Phoenix Material Animation: The Digestive System Hydrolysis of Sucrose After viewing the animation‚ answer these questions: 1. The enzyme sucrase breaks the disaccharide Sucrose into two monosaccharides: Glucose ‚ or sugar‚ and fructose ‚ or fruclose sugar. 2. Where does this reaction occur? This reaction occurs on the surface of the instetina epithelial (mucosal) cell surfaces. 3. For hydrolysis to occur‚ the sucrose must bind to what part of the
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specifi c examples of each. Also list major dietary sources of each. a. Proteins b. Carbohydrates c. Fats . Janine made this statement: “… if your brain doesn’t get carbs—well‚ glucose‚ anyway—you get really cranky. You have to have enough carbs.” Find out if Janine is right. How does the nervous system use glucose? . Janine also said: “If you eat way too much protein and not enough carbs you can ruin your kidneys forever because of all the nitrogen you have to process breaking down the protein
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This means it can be transported round the body and bring oxygen and glucose Valves – valves prevent the backflow of blood and keeps blood moving in one direction around the body. The valves help glucose and oxygen reach the cells allowing the body to function normally. blood pressure Blood pressure is the force of blood so that it reaches all parts of the body that it needs to reach
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control your blood glucose‚ also called blood sugar‚ levels because carbohydrates affect your blood glucose
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FINAL EXAM STUDYGUIDELINE 1. What are phagocytes? White blood cells that can ingest and destroy antigens. 2. When the pancreas detects a high concentration of the blood sugar glucose it… Releases the insulin hormone 3. In what organ does the digestion process begin? Mouth 4. What is the function of the pyloric sphincter? Prevents the contents of the small intestine from backing up into the stomach. 5. What is peristalsis All of the above statements are correct. 6. Main function of
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the Grease-Spot test‚ also explain the importance of a positive and negative control. ! ! ! ! ALL MATERIALS! 1. Test tubes! 2. Benedict’s solution! 3. Iodine! 4. Water-bath ! 5. Onion juice! 6. Potato juice! 7. Sucrose juice! 8. Glucose juice! 9. Distilled water! 10. Reducing-sugar solution! 11. Starch solution! 12. Sodium hydroxide (NaOH)! 13. Egg albumen! 14. Honey! 15. Amino acid solution! 16. Protein solution! 17. Water! 18. Acetone! 19. Vegetable Oil! 20. Salad oil
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enzymes. An example of a digestive enzyme is Lactase. Also called lactase-phlorizin hydrolase‚ Lactase helps to break down lactose‚ a disaccharide‚ into the monosaccharaides glucose and galactose by hydrolysis. A lock and key diagram below shows how the substrate‚ lactose‚ reacts with the active site‚ lactase‚ to form products‚ glucose and galactose. The diagram below also outlines how enzymes such as lactase are specific. During the early stages of a human’s life‚ lactase is particularly abundant. Lactose
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