Absorption of nutrients
Across
- 3. Which vitamins are fat-soluble and require micelle formation for absorption?
- 4. Name the active transport mechanism that allows glucose to enter the epithelial cells with sodium.
- 5. How do villi and microvilli enhance absorption in the small intestine?
- 9. Describe the function of the Na⁺/K⁺ exchange pump in maintaining absorption gradients.
- 10. - What is the primary mechanism for water absorption in the small intestine?
- 11. Which process allows absorption of solid particles by engulfing them into the cell?
- 13. What are lacteals and how are they involved in lipid absorption?
- 15. Why is protein absorption by endocytosis more efficient in infants than in adults?
- 16. Water soluble aggregates that combined with bile salts among fatty acid are know as?
- 17. Where in the digestive tract is most iron absorbed and in what form is it transported in blood?
- 18. Differentiate between passive and active transport in the context of nutrient absorption.
Down
- 1. After glucose is co-transported with Na⁺ into enterocytes, how does it enter the blood?
- 2. Which fatty acids bypass chylomicron packaging and directly enter blood capillaries?
- 6. What major ions are absorbed by Na⁺/K⁺ ATPase pumps in intestinal cells?
- 7. Explain how chylomicrons are formed and transported into the lymph.
- 8. Which vitamin requires an intrinsic factor for absorption, and where in the intestine is it absorbed?
- 11. What transporter is responsible for the uptake of dipeptides and tripeptides into enterocytes?
- 12. Name the specific transporter involved in fructose absorption.
- 14. What protein in colostrum allows transfer of passive immunity to newborns?