Approximate metabolizable energy content of some common foods (1 Calorie = 4.1868 kJ = 3.968 Btu)
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Approximate metabolizable energy content of some common foods (1 Calorie = 4.1868 kJ = 3.968 Btu)
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- Triacylglycerols, with their hydrocarbon-like fatty acids, have the highest energy content of the major nutrients. (a) If 15% of the body mass of a 70.0 kg adult consists of triacylglycerols, what is the total available fuel reserve, in kilojoules and kilocalories, in the form of triacylglycerols? Recall that 1.00 kcal = 4.18 kJ. (b) If the basal energy requirement is approximately 8,400 kJ/day (2,000 kcal/day), how long could this person survive if the oxidation of fatty acids stored as triacylglycerols were the only source of energy? (c) What would be the weight loss in pounds per day under such starvation conditions (1 lb = 0.454 kg)?Undergoing moderate activity, an average person will generate about 350 kJ of heat per hour. Using the heat of combustion of palmitic acid (ΔH = -9977.6 kJ/mol) as an approximate value for fatty substances, estimate how many grams of fat would be required per day to sustain this level, if all were burned for heat.On average, what percentage of my total daily calories come from carbohydrates? If, my total consumed calories is 1445 kcal and my total calories from carbohydrates are 197.4 g *Must show calculations, state units, get everything in to the same unit (kcals) before figuring out the percentage*
- Unit (U) is a measure that describes the amount of enzyme based on its activity. Explain its definition, and calculate the per mass price of the enzyme described in below:- catalase (from bovine liver), 56,600 won for 5 million UExplain the role of potassium thiocyanate, KSCN as a component of the Benedict’s reagent for the Estimation of GlucoseLipids are highly oxidized molecules, so they can be greatly reduced for energy during catabolism (degradation). True Or False
- True or False: Omega 3 and omega 6 fatty acids can only be made by plants, though they can be modified by animals. Give typing answer with explanation and conclusionAn individual weighing 68 kg jogging at 8 km/h for 30 minutes would burn 1138 kJ. How many moles of glucose would need to be metabolized to generate this required energy?What is found in a typical energy bar? What considerations should bemade in selecting one? Most energy bars have a high glycemic index. What does this mean and why is it so attractive for an energy bar to have a high index?
- compute the nutritional value of hypothetical food product To identify total of carbohydrates and calories based on the given value To be knowledgeable with the calculation for the percentage daily value of carbohydrates and calories in the food. Serving Size 100g Moisture content, % 2.0 Ash content, % 0.10 Protein, % 7.65 Fat, % 2.0 Fiber, % 0.01 CHO, % ??? Calorie, kcal ??? COMPUTATION: CHO, % = 100% – (Moisture+ ash+ protein+ fat) Calorie content Macronutrient Value Multiplier Result Protein, % 7.65 4 30.6 Fat, % 2.0 9 18.0 CHO, % ??? 4 ??? Kcal content ???? please answer the question mark, thank youDescribe the advantages of using triacylglycerols as the principal source of stored metabolic energy.true or falseduring fatty acid biosynthesis, the product detaches from the fatty acid synthase complex when the chain length is 14 carbons.