12 Questions
What is the empirical formula of carbohydrates?
(CH2O)n
Which classification of monosaccharides is based on the carbonyl group present?
Aldoses and Ketoses
What type of bonds join 2 to 10 monosaccharides to form oligosaccharides?
Glycosidic bonds
What is the main characteristic of monosaccharides?
Solubility in water
Which type of bond joins more than 10 monosaccharides in a polysaccharide?
Glycosidic bond
Where is glycogen extensively branched and more compact than starch found?
Liver and muscle cells
What is the structural function of cellulose?
Forms cell walls of plants
What is the composition of hyaluronic acid, a heteropolysaccharide?
Alternating residues of D-glucuronic acid and N-acetylglucosamine
During which period does glycogen provide glucose to the tissues?
During periods of fasting
What is the main function of the Cori cycle?
To convert lactate produced by anaerobic glycolysis in skeletal muscle to glucose
What is the energy requirement for each molecule of glucose formed from pyruvate in gluconeogenesis?
$4 ATP + 2 GTP$
Where is glycogen stored in the body to provide a reservoir for maintaining blood glucose?
Liver
This quiz covers the characteristics, structure, digestion, absorption, synthesis, and degradation of carbohydrates. Topics include the Cori cycle, Glucose-alanine cycle, and the metabolism of glycogen.
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