Term
| Where does the majority of absorption take place |
|
Definition
|
|
Term
| What are Kerckrings folds |
|
Definition
| Fold of mucosa in the small intestine |
|
|
Term
| How are the microvilli often described |
|
Definition
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|
Term
| Name the enzyme that breaks the 1-4 glycosidic bond |
|
Definition
|
|
Term
|
Definition
| 3 glucose units linked by alpha 1,4 glycosidic bond. |
|
|
Term
| The most active site of a-amylase |
|
Definition
| Duodenum due to the alkaline environment and longer residence time of chyme in the small intestine |
|
|
Term
| Name 3 oligosaccharidases released in the small intestine |
|
Definition
|
|
Term
| What type of transport is involved when galactose is taken into the epithelial cells |
|
Definition
|
|
Term
| Name the transport protein responsible for glucose uptake into the epithelial cells |
|
Definition
|
|
Term
| Name a monosaccharide other than glucose that is taken up by the SGLT1 |
|
Definition
|
|
Term
| How is fructose absorbed by the epithelial cells |
|
Definition
| Facilitated diffusion via GLUT 5 |
|
|
Term
| Name the transport protein that moves fructose out of the epithelial cell |
|
Definition
|
|
Term
| Where does protein digestion being |
|
Definition
|
|
Term
| What enzyme starts digestion of protein |
|
Definition
|
|
Term
| Name the substance that activates the brush border enzymes responsible for protein digestion. |
|
Definition
|
|
Term
| Name the brush border enzymes involved in protein digestion |
|
Definition
Aminopeptidases
Dipeptideases
Dipeptidyl aminopeptidases
Dipeptidyl carboxypeptidases |
|
|
Term
| Why can't AA or short peptides diffuse though the membrane |
|
Definition
|
|
Term
| How are individual AA transported across the cell |
|
Definition
| Transporters on brush border and basolateral membrane |
|
|
Term
| How are short peptides transported across the cell |
|
Definition
| Secondary active transport |
|
|
Term
| Name the fat soluble vitamins |
|
Definition
|
|
Term
| Where does lipid digestion begin |
|
Definition
Stomach of neonates
Duodenum of adults |
|
|
Term
| Name the pancreatic lipases |
|
Definition
Colipse
Pancreatic Lipase
Phophlipase A
Cholesterol ester hydrolase |
|
|
Term
| where are the pancreatic lipases active |
|
Definition
|
|
Term
| What reaction do triglycerides undergo after emulsification |
|
Definition
| Hydrolysis to fatty acids and monoglycerides and glycerol |
|
|
Term
| What enzymes hydrolyse lipids in the duodenum |
|
Definition
| Pancreatic lipase and colipase |
|
|
Term
| How are fatty acids absorbed |
|
Definition
|
|
Term
| How is cholesterol absorbed |
|
Definition
|
|
Term
| Name the product of fatty acid and monoglyceride reaction in epithelial? |
|
Definition
|
|
Term
| Name 2 substituents of chylomicron |
|
Definition
| Triglycerides and protein. |
|
|
Term
| Where are chylomicrons stored? |
|
Definition
Endoplasmic reticulum
Golgi Apparatus |
|
|
Term
| How do chylomicrons enter venous blood? |
|
Definition
| Via the thoracic duct of lymph system |
|
|
Term
| How do chylomicrons enter lacteal |
|
Definition
|
|
Term
| Name the protein substituent that binds to chylomicrons in venous blood |
|
Definition
|
|
Term
| What is the function of chylomicron |
|
Definition
| To deliver dietary lipids to body cells |
|
|
Term
| Name the lipoprotein that contributes to athersclerosis |
|
Definition
|
|
Term
| Name the lipoprotein that delivers endogenous triglycerides to body cells |
|
Definition
| Very Low Density Lipoprotein |
|
|
Term
| How is VLDL converted to LDL |
|
Definition
|
|
Term
| Name the lipoprotein that takes up phospholipids and free cholesterol from blood vessels |
|
Definition
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