Digestion Of Lipid Flashcards Preview

Biochemistry 2 > Digestion Of Lipid > Flashcards

Flashcards in Digestion Of Lipid Deck (24):
0

Triaclyglycerol contain a ____ backbone to which _______ are esterified

Glycerol
3 fatty acid

1

______ are the major fat in the human diet

Triacylglycerols

2

Lingual and gastric lipase preferentially hydrolyzed dietary TGs that contain ______ fatty acid

Short and medium-chained

3

TGs are mainly digested in the lumen of intestine by _____

Pancreatic lipase

4

TGs are hydrolyzed by pancreatic lipase to ____ and _____

Fatty acids
2-monoacylglycerol

5

The bile salt are ____compound and are synthesized in the ______

Amphipathic
Liver

6

Dietary fat leaves the stomach and enters the small intestine where it is ______

Emulsified

7

What process break down fat droplet into fine particles suspending in aqueous solutions?

Emulsification

8

Dietary fat are emulsified in the small intestine by ______

Bile salts

9

The contraction of the gallbladder and secretion of pancreatic enzymes are stimulated by the gut hormone _______

Cholecystokinin

10

______ secrete cholecystokinin when stomach contents enters ____

Intestinal cell
Intestine

11

Increased acidity in the lumen of small intestine triggers the release of _____ (a peptide hormone)

Secretin

12

Secretin promotes _____ secretion by the liver, pancreas and certain intestinal cells

Bicarbonate

13

Bicarbonate increases intestinal pH to roughly ____, which is optimal for action of all digestive enzyme in the intestine

6

14

Major apoprotein associated with chylomicron is

B48

15

The apoprotein for VLDL is ____

B-100

16

___ mainly carry dietary TGs in the blood

Chylomicron

17

Chylomicron contains ____ and _____

Cholesterol
Fat soluble vitamin

18

TGs are synthesized in the ______, and apoB-48 is synthesized in the

Smooth ER
Rough ER

19

Nascent chylomicron enters blood through _____

Thoracic act

20

Nascent chylomicron receive ___ and ___ from High-density lipoprotein (HDL) to form mature CM

ApoCII
ApoE

21

Adipocyte isozyme of LPL has a higher Km than the _____ isozymes, therefore, adipose LPL is ____ active after a meal.

Muscle
More

22

____ activates lipoprotein lipase LPL on capillary endothelial cells within the muscle and adipose tissue

ApoCII

23

Apoprotein ___ is responsible for uptake of chylomicron remnants

E