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Metabolism of Carbohydrates: Lesson 8

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Questions and Answers

What is the empirical formula of carbohydrates?

COH

(CH2O)n (correct)

(CH2O)2

CHO

Which classification of monosaccharides is based on the carbonyl group present?

Aldoses and Ketoses (correct)

Sweet taste monosaccharides

Homopolysaccharides and Heteropolysaccharides

Trioses, Tetroses, and Pentoses

What type of bonds join 2 to 10 monosaccharides to form oligosaccharides?

Glycosidic bonds (correct)

Ionic bonds

Hydrogen bonds

Covalent bonds

What is the main characteristic of monosaccharides?

Solubility in water Signup and view all the answers

Which type of bond joins more than 10 monosaccharides in a polysaccharide?

Glycosidic bond Signup and view all the answers

Where is glycogen extensively branched and more compact than starch found?

Liver and muscle cells Signup and view all the answers

What is the structural function of cellulose?

Forms cell walls of plants Signup and view all the answers

What is the composition of hyaluronic acid, a heteropolysaccharide?

Alternating residues of D-glucuronic acid and N-acetylglucosamine Signup and view all the answers

During which period does glycogen provide glucose to the tissues?

During periods of fasting Signup and view all the answers

What is the main function of the Cori cycle?

To convert lactate produced by anaerobic glycolysis in skeletal muscle to glucose Signup and view all the answers

What is the energy requirement for each molecule of glucose formed from pyruvate in gluconeogenesis?

$4 ATP + 2 GTP$ Signup and view all the answers

Where is glycogen stored in the body to provide a reservoir for maintaining blood glucose?

Liver Signup and view all the answers