MG 6803 jpg Section Numper EXERCISE 5 Macromolecules and You: Food and Diet Anal
ID: 277808 • Letter: M
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MG 6803 jpg Section Numper EXERCISE 5 Macromolecules and You: Food and Diet Analysis Post-Lab Questions A.1. Test for Sugars Using Benedict's Solution are teaching science in a part of the world without casy access to a doctor and you're ed diabetes. (Diabetics are unable to regulate blood glucose levels, and in urine.) How could you perform a test to gain an indication of whether or not you 1. Let's suppose you you may have develop diabetes The test tubes in the photograph contain Benedict's solution and two unknown substances that have been heated. What do the results indicate for each substance? 2. wow could you verify that a soft drink container contains diet soft drink rather than soft drink sweetened with fructose? 3. A.2. Test for Starch Using Lugol's Solution 4. Observe the photomicrograph accompanying this ques tion. This thin section of a potato tuber has been stained with Lugol's iodine solution. When you eat french fries, the potato material is broken down in your small intestine into what kind of small subunits? Macromolecules and You: Food and Dist AnahsiExplanation / Answer
1. In diabates there is increased level of glucose in body since,the hormone insulin is not present in body to utilize glucose and convert in into ATP
2. Benedicts test could be used to detect the presence of glucose in urine usually, benedicts solution is combination of sodium hydroxide and tartaric acid ,copper sulfate which is blue in colour , but if simple sugar like glucose is present if your urine if you have diabetes then the blue colour changes to either green, yellow brick red depending upon the amount of glucose in urine.
3. Benedicts reagents awalys react wiith a aldehyde which is free, fructose in alkaline condition is convetrted in partial form into a mixture of glucose,mannose which will react with benedicts reagents sodium hydroxide and tartaric acidcopper sulfate an give colour changes.
4.French fries have starch that react with lugols solution.
starch is made up of two subunits amylose,amylopectin which is formed in stomach once you consume french fries .
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