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Chapter
Vitamins
Animals fed purified diets containing exclusively carbohydrates, protein, and fats cannot survive. Vitamins and certain minerals must be included in the diet to sustain life.
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Application of knowledge
The purpose of this chapter is to provide the reader with an opportunity to apply some of the biochemical and nutritional information presented in the preceding chapters. Due to limited space, the questions ar...
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Chapter
Energy and basal metabolism
It seems appropriate to begin our discussion of nutrients with that concept to which all matter is related; namely, energy. Currently there is a controversy as to whether the kilo-calorie or the joule is the p...
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Chapter
Protein and amino acids
Protein occurs in all living things. Formed of amino acids bonded together in peptide linkage, proteins have a far greater potential for variability than do either carbohydrates or lipids. The combinations and...
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Chapter
Diet and hormone interactions
From the previous chapters, it should now be evident that fluxes through the various metabolic pathways within cells are determined by the intracellular environments and that these environments are greatly aff...
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Chapter
Regulation of enzyme activity
To live in a changing environment requires the ability to adapt. In its day to day existence an animal encounters variation in environmental stresses, in activity requirements, and in type and amount of food i...
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Chapter
Lipids and fatty acids
Lipids can be defined as organic substances originating in living matter, which are insoluble in water but are soluble in non-polar solvents such as alcohol, ether, chloroform, and benzene. Such a definition i...
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Carbohydrates
Carbohydrates constitute the greatest portion of the food consumed in the world, by man and animals. The most commonly found forms of carbohydrate are cellulose and starches; polymeric chains of glucose which ...
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Article
Rat Liver Sorbitol Dehydrogenase
THERE has been considerable interest in the effect of various diets and hormones on liver enzymes. One of the problems related to the interpretation of the results is the dependence upon the method of reportin...
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Article
Erythrocytic Enzymes of Various Animal Species
ENZYMES involved in the reduction of triphosphopyridine nucleotide (TPN) have been reported to be of primary importance in the resistance of erythrocytes to drug-induced hæmolytic conditions1. A hereditary defect...
