Carbohydrate Metabolism - Mavis Sersah Nyarko (Ph.D)
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Questions and Answers

What is the principal site of carbohydrate digestion?

  • Stomach
  • Liver
  • Mouth
  • Intestinal lumen (correct)

Which organic molecules are the most abundant in nature?

  • Nucleic acids
  • Carbohydrates (correct)
  • Lipids
  • Proteins

What is the full set of carbohydrates produced by an organism called?

  • Saccharome
  • Glycome (correct)
  • Glucome
  • Carbome

Which process involves the hydrolysis of glycosidic bonds?

<p>Glycogenolysis (A)</p> Signup and view all the answers

What type of enzymes catalyze the hydrolysis of disaccharides into their reducing sugar components?

<p>Disaccharidases (B)</p> Signup and view all the answers

In carbohydrate metabolism, what is the site for rapid digestion catalyzed by glycoside hydrolases?

<p>Intestinal lumen (D)</p> Signup and view all the answers

What are the final products of carbohydrate digestion that are absorbed by cells of the small intestine?

<p>Monosaccharides glucose, galactose, and fructose (B)</p> Signup and view all the answers

Which enzyme in saliva acts briefly during mastication to hydrolyze dietary starch and glycogen?

<p>Salivary α-amylase (D)</p> Signup and view all the answers

Why does carbohydrate digestion halt temporarily in the stomach?

<p>Low pH inactivates salivary α-amylase (A)</p> Signup and view all the answers

Which enzyme continues the process of starch digestion in the small intestine?

<p>Pancreatic α-amylase (C)</p> Signup and view all the answers

What are the final digestive processes primarily associated with?

<p>Mucosal lining of the duodenum and upper jejunum (A)</p> Signup and view all the answers

Which enzyme cleaves the α(1,2) bond in sucrose, producing glucose and fructose?

<p>Sucrase (B)</p> Signup and view all the answers

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