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Questions and Answers
What is the primary function of digestion in the body?
What is the approximate percentage of dietary carbohydrates in the form of starch?
What are the two components of starch?
What is the end product of the catabolism of macronutrients in the body?
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Where does the process of digestion occur in the body?
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Study Notes
Macronutrient Catabolism
- Carbohydrates, fats, and proteins are catabolized to CO2 and H2O, requiring ingestion to form small residues.
- The three macronutrients must be broken down into smaller components for utilization by the body.
Digestion Process
- Digestion is the process where the body breaks down carbohydrates, proteins, and fats into their smaller residues.
- Carbohydrate polymers are converted to monosaccharides during digestion.
Carbohydrate Digestion
- Oligosaccharides (3-12 monosaccharide residues) and polysaccharides (> 12 monosaccharide residues) are broken down to monosaccharides during carbohydrate digestion.
- Approximately 50% of dietary carbohydrates are in the form of starch.
- Starch is composed of two components: amylose and amylopectin.
- Both amylose and amylopectin are composed of glucose residues.
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Description
This quiz covers the digestion process of carbohydrates, fats, and proteins, breaking them down into small residues in the digestive system.
