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Nutrition Unit 2
Terms in this set (31)
Molecules of a solvent or solute will attempt to disperse in order to establish an equilibrium. No E
Form of diffusion - water moves accross a semi-permeable membrane in attempt to equalize the concentrations on either side of the membrane. No E
E expended. Absorbed against a concentration gradient. Can also use transport proteins to move molecules against their gradient.
Cell drinking. Small # of selected fats & proteins may be absorbed intact into a cell through the process of pinocytosis. "Swallows" material to be absorbed and once inside cell, material released. Requires ATP.
Nutritional disorders may occur due to a deficiency or toxicity in one or more nutrients due to
1. A direct increase or decrease of a dietary nutrient
2. Imbalances in rations
3. Abnormal soil conditions, production processes
4. Toxic plants, chemical or drugs
5. Disease processes
6. Presence of anti-nutritional factors in the feed
Functions of water
2. Production of digestive juices
3. Transport medium
4. Chemical rx
6. Regulation on oncotic pressure
Losses of body water
3. Sweat (panting)
Sources of water
1. Metabolic (5-10%)
3. Water intake
Water intake is affected by:
Water is absorbed into the body through:
Major site of water absorption is the:
LI - cecum & colon
Per kg of dry feed consumed, animals consumer how many litres?
In case of starvation, draw for energy is
2. Glycogen reserve
C - Carbon
H - Hydrogen
O - Oxygen
Primary use of carbohydrates
Glucose is what type of sugar?
Excess glucose is stored as
Simple (compound) sugars
Two monosaccarides linked
Lactose is the only carbohydrate of...
Oligosaccarides and Polysaccarides
3-10 Oligo, >10-thousands Poly
Polysaccharides of plan origin that are not starch.
Partially digestible by bacteria and protozoa in GIT
Not digestable, does not contain calories. Decreases the energy density of a food.
Saccarides are joined together by what kind of bond?
Can be broken down by digestive enzymes
Cannot be broken down. These are called Non-Starch Polysaccharides (NSP)
3 Most common VFA's
1. Provide energy : glucose & VFA
2. Storage of energy : Glycogen
3. Building blocks for AA - protein sparing nutrients
4. Building blocks for DNA
5. Provides bulk and texture to diet
6. Regulates transit time of food through intestinal tract
Symptoms of energy deficiency
- Weight loss
- Decreased growth
- Decreased conception rates
- Increased mortality
THIS SET IS OFTEN IN FOLDERS WITH...
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