12 Questions
What is the principal function of carbohydrates in the body?
Providing a significant fraction of dietary calories
Which enzymes are responsible for catalyzing carbohydrate digestion?
Glycoside hydrolases (glycosidases)
What are the final products of carbohydrate digestion that are absorbed by cells of the small intestine?
Monosaccharides
Which enzyme briefly acts on dietary starch and glycogen during mastication?
Salivary α-amylase
What is the full set of carbohydrates produced by an organism known as?
Glycome
Where does carbohydrate digestion primarily occur?
Mouth and intestinal lumen
What is the primary reason why carbohydrate digestion halts temporarily in the stomach?
Inactivation of salivary α-amylase by high acidity
Which enzyme cleaves the β(1,4) bond in lactose during carbohydrate digestion?
Lactase
Where do the final digestive processes for carbohydrates primarily occur?
Duodenum and upper jejunum
What is the enzymic activity of the protein sucrase-isomaltase complex?
Cleaves α(1,2) bonds
How is fructose absorbed by enterocytes?
Energy-independent monosaccharide transporter
Which enzyme cleaves the α(1,4) glycosidic bonds in dextrins?
Maltase-glucoamylase
Explore the functions of carbohydrates in organisms, including providing dietary calories, storing energy, and acting as cell membrane components. Learn about the process of dietary carbohydrate digestion. Discover more about carbohydrates and their role in the body.
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