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On a per-kilogram basis, why does a small mammal such as a shrew
require so much more energy than does an elephant or other large
mammal?
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- Consider the energy budgets for a human, an elephant, apenguin, a mouse, and a snake. The __________ would have thehighest total annual energy expenditure, and the __________would have the highest energy expenditure per unit mass.(A) elephant; mouse(B) elephant; human(C) mouse; snake(D) penguin; mouseWhich measurement is used to express energy requirement of laboratory animals?Consider a 96 kg adult, who is overweight. Weight loss would improve their general health and wellbeing. If 35 % of the body mass of this 96 kg adult consists of TGs (in adipose tissue), what is the total available fuel reserve, in kJ and kcal, in the form of TGs? Assume energy value of TGs = 37.4 kJ/g 1 kJ = 0.239 kcal
- Are the following statements true or false? A. Most of the energy stored in the human body is in the form of fat, followed by protein. The body has only limited capacity for storage of carbohydrate. B. It is estimated that one kg of fat gain requires 2500 kcal of energy surplus. A is true, B is true O A is false, B is true A is true, B is false O A is false, B is falseWho has the highest basal metabolic rate? A gorilla A human A baboon A tarsier A gibbonGiven the shown relationships, which statement is true? A rabbit has a lower mass-specific metabolic rate than a horse A rabbit has a higher mass-specific metabolic rate than a horse O It is impossible to tell from this graph whether a rabbit or a horse has a higher metabolic rate or higher mass-specific metabolic rate A rabbit has a higher metabolic rate than a horse
- Explain the questions related to animal nutrition: a. Would there be a benefit if antibiotics were used in growing-finishing pigs’ diets? why? b. How does the ash content in an ingredient affect the energy value?Suppose that a person of weight 60 kg and height 1.4m reduces her sleep by 1 hr/day and spendsthis extra time reading while sitting upright. If her food intake remains unchanged, how much weight willshe lose in one year?Consider a 96 kg adult, who is overweight. Weight loss would improve their general health and wellbeing. If 35 % of the body mass of this 96 kg adult consists of TGs (in adipose tissue), what is the total available fuel reserve, in kJ and kcal, in the form of TGs? 2. This 96 kg adult decides to begin a starvation diet to lose weight. They aim to reduce their weight to 75 kg, which will be a weight loss of 21 kg. If the only source of nutrient energy for this 96 kg adult is the oxidation of fatty acids stored at TGs, how long (in days plus hours) will it take for this person to lose 21 kg of their body weight under starvation conditions? The daily energy expenditure for this 96 kg adult is 8700 kJ. This is equivalent to the recommended Australian average daily energy intake of 8700 kJ. 3. Calculate the weight loss in kg/day under such starvation conditions if the oxidation of fatty acids stored as TGs were the…
- Only nine species of existing land mammals grow to adult bodyweights over 1000 kg (1 megagram). All are herbivores thatemploy fermentative digestion. These “megaherbivores” are thetwo species of elephants, the five species of rhinos, the commonhippo, and the giraffe. What are the metabolic pros and cons ofsuch large size? Can you suggest why no terrestrial carnivoresachieve such large size?From the table below which shows the metabolic rate for each activity, if a person with height 1.50m and weight of 60kg completed all these activities in one day. Calculate the person's one day energy expenditure using Harris-Benedict Equation. Activity8hr sleeping (35 Cal/m^2 -hr)8hr moderate physical labor (150 Cal/m^2 -hr)4hr reading, writing, TV watching (60 Cal/m^2 -hr)1hr heavy exercise (300 Cal/m^2 -hr)3hr dressing, eating (100 Cal/m^2 -hr) A. 569.33 cal B. 850.20 cal C. 996.07 cal D. 720.50 calSuppose you are measuring the metabolic rate of a young,growing cow by using the material-balance method. Whatprocedures could you use to take account of the cow’s growth, sothat you measure a correct metabolic rate?