Flashcards in 24. Carbohydrate absorption Deck (10):
Only monosaccharides (glucose, galactose, fructose) are absorbed by
Glucose and galactose are taken up by
SGLT1 (Na+ dependent).
Fructose is taken up by facilitated diffusion by
All are transported to blood by
D-xylose absorption test:
distinguishes GI mucosal damage from other causes of malabsorption
• Which of these sugars is/are not absorbed by enterocytes: glucose, galactose, fructose, sucrose?
Sucrose, a disaccharide (only monosaccharides are absorbed by enterocytes)
• Glucose and galactose are taken up by this transporter, which is dependent on this ion.
Sodium-glucose linked transporter (SGTP1); sodium ion
• ____ is the transporter that takes up fructose in enterocytes via what method.
Glucose transporter 5 (GLUT-5); facilitated diffusion
• All monosaccharides are transported from the enterocytes to the blood by what transporter?
Glucose transporter 2 (GLUT-2)