Gastrointestinal System
Digestion of food molecules is necessary so that:
Indigestible food molecules are separated from digestible food molecules
Essential amino acids and fatty acids may be absorbed by the body
Excretion of waste products can occur via the bowel
Food may be converted into particles small enough to pass into the cells of the gut wall
Food may be converted into particles small enough to pass into the cells of the gut wall
The production of molecules that are small enough to be absorbed into epithelial cells is the purpose of digestion.
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Which statement best describes the process of glycogenesis?A. The digestion of glycogen in the diet
B. The conversion of fat into glycogen in muscle tissue
C. The conversion of glucose into glycogen in the liver
D. The conversion of glycogen into glucose in muscle tissue
What is the process in the digestion of food molecules that produces their monomers called?
A. Polymerisation
B. Hydrolysis
C. Isomerisation
D. Deamination
What are the end-products of carbohydrate digestion?
A. Monosaccharides
B. Disaccharides
C. Glucose
D. Risaccharides
What the products of hydrolysis of lipids?
A. Monosaccharides
B. Chylomicrons
C. Amino acids and small peptides
D. Free fatty acids and monoglycerols
What is a function of the SMALL intestine? To:
A. Temporarily store ingested food
B. Absorb the products of digestion
C. Participate in mechanical digestion
D. Secrete hydrochloric acid
Which enzyme below digests proteins?
A. Nuclease
B. Maltase
C. Carboxypeptidase
D. Transaminase
Which layer of the alimentary canal is responsible for absorbing the products of digestion?
A. Muscularis interna
B. Mucosa
C. Serosa
D. Submucosa
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