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13 Cards in this Set
- Front
- Back
Water's Functions |
1) transports nutrients and aids in excretion 2) medium that allows chemical reactions 3) body temperature regulation 4) lubricates joints and organs in body cavity |
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Animal age and body water _____ with animal age and has an _____ relationship with body fat |
Decreases over time; its inverse (there's more) |
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muscle tissue contains... |
more water than fat |
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Carbohydrates |
serve as a source of energy and provide bulk to keep digestive tract working smoothly |
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Lipids (Fats) |
1) most dense nutrient 2) insoluble in water, soluble in organic solvent 3) yields about 9.45 kcal/gram gross energy |
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Proteins |
1) principle constituent of organs and soft structures of animal body 2) made of 22 amino acids |
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Essential amino acids |
animal body cannot synthesize these 10 things fast enough to its requirements |
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Minerals |
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Macrominerals |
essential elements required in relatively large amounts (Ca, P, Na, Cl, Mg, K) |
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Microminerals |
trace elements required in much smaller amounts (Co, Cu, F, I, Fe, Mn, Mo, Se, Zn) |
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Near Infrared Reflection (NIR) |
Instruments that can detect reflection of ____ light which is used to determine nutrient composition (wet chem is used to calibrate) |
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Kjeldahl Method |
sample is digested in sulfuric acid to calculate protein concentration (Pros: good precision Cons: time consuming & hazderous) |
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Dumas Method |
Sample is combusted in chamber and releases CO2 & H2O |