BIOL 1362-CARBOHYDRATE TUTORIAL 1. List the names and give the Fisher projection formulae and functions of three (3) biologically important monosaccharides in the cell. 2. In each of the above structures‚ indicate the chiral centres using an *. 3. Choose two (2) of the above and carry out cyclisation to achieve furanose and pyranose ring structures. 4. In the ring structures drawn in three (3)‚ indicate whether the structures are α or β. 5. How many chiral centres are present in D-fructose? Determine
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Macronutrient Distribution Ranges for adolescences‚ the Canadian diet should provide 45-65% of energy as carbohydrate‚ 20-35% of energy as fat‚ and 10-30% of energy as protein. After analyzing my daily intakes for three days‚ I am fairly satisfied with my daily intakes in comparison to the DRIs‚ being that my energy intake all fall within the recommended values with the averages 19% for protein‚ 61% for carbohydrate‚ and 20% for fat. I don’t
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looking for the next best thing‚ there are all kinds of fad diets out there that are consistently making outrageous promises to consumers. The latest in the fad diet trend is the “Low Carbohydrate/High Protein” diet. To break it down simply proteins are needed to help the body to grow and repair while carbohydrates provide energy. Both are needed in order for a person to remain healthy‚ which is why fad diets that promote one over the other are harmful to our bodies. Fad diets such as the “low carb/high
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1. Diffusion and Osmosis‚ June 4‚ 2013 2. Purpose: The purpose of this lab is to help give visual understanding of diffusion which is a solution of high concentration spontaneously (no energy required) moving to an area of low concentration. Also taking a look at osmosis‚ which is the movement of chemicals across the cell membrane. Osmosis requires some type of energy to be put in for this to happen. After these experiments we should have a better idea and visualization of how chemicals transfer
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General Properties: The carbohydrate sourced in the production of Caliber Deicers is a by-product of ethanol production (corn based)2. This by-product is then further refined to remove any particulate matter and the result is clear odorless corn syrup (referred to as Caliber)2. Beet juice is the by-product in the production molasses for sugar beets.3 The by-product is generally not processed further (depends on manufacturer) and commonly contains minute particles dispersed through-out liquid.
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include a diverse group of plant foods that differ greatly in their energy and nutrients content‚ and form an important component of the human diet. They are excellent sources of nutrients‚ specifically essential vitamins‚ minerals‚ fiber and complex carbohydrate and also add variety to the diet all of which are needed to support a healthy body and mind (Slavin and Lloyd 2012). According to the World Health Report (2002)‚ low fruits and vegetable intake is estimated to cause about 31% of ischemic heart
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deficiencies‚ no energy malnutrition‚ irregular bowel movements‚ and bad muscle tone. 2. Define nutrition Nutrition is the study of the relationship of humans to food 3. What are the six classes of nutrients? Six classes of nutrients are carbohydrates‚ fats‚ proteins‚ minerals‚ vitamins and water 4. Food pyramid: a. Why is it used? It is used to teach people what to eat for a healthy diet b. What groups are contained within the pyramid? Grains‚ vegetables‚ fruits‚ milk‚ meat and beans c
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together. How are polymers broken down? Hydrolysis—the reverse of dehydration synthesis (condensation) the reverse of dehydration synthesis. Water added to the polymer‚ unlinking the chain and breaking it back down to its original monomer units. Carbohydrates Group of organic molecules that includes: group of organic molecules that includes sugars‚ starches‚ and cellulose. Structure: carbon‚ hydrogen‚ and oxygen in a 1:2:1 (CH2O)n – n is an integer such as 5 (C5H10O5) Subunits: Monosaccharides
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Amid high food prices in 1972‚ Sweden’s National Board of Health and Welfare developed the idea of "basic foods" that were both cheap and nutritious‚ and "supplemental foods" that added nutrition missing from the basic foods. Anna Britt Agnsäter‚ head of the test kitchen at KF‚ a consumer co-op that worked with the Board‚ held a lecture the next year on how to illustrate these food groups. Attendee Fjalar Clemes suggested a triangle displaying basic foods at the base. Agnsäter developed the idea
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P5. Explaining the Concept of Homeostasis. M2. Probable homeostatic response’s to changes in the internal environment during exercise. The actual word homeostasis means "steady state". Homeostasis describes how the body regulates its process to keep its internal conditions as stable as possible. Homeostasis is necessary because human cells are efficient but very demanding. The phrase homeostasis is a bit confusing; conditions inside our bodies are not constant but are kept within a narrow
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