Digestion Of Lipid Flashcards

0
Q

______ are the major fat in the human diet

A

Triacylglycerols

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1
Q

Triaclyglycerol contain a ____ backbone to which _______ are esterified

A

Glycerol

3 fatty acid

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2
Q

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

A

Short and medium-chained

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3
Q

TGs are mainly digested in the lumen of intestine by _____

A

Pancreatic lipase

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4
Q

TGs are hydrolyzed by pancreatic lipase to ____ and _____

A

Fatty acids

2-monoacylglycerol

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5
Q

The bile salt are ____compound and are synthesized in the ______

A

Amphipathic

Liver

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6
Q

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

A

Emulsified

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7
Q

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

A

Emulsification

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8
Q

Dietary fat are emulsified in the small intestine by ______

A

Bile salts

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9
Q

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

A

Cholecystokinin

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10
Q

______ secrete cholecystokinin when stomach contents enters ____

A

Intestinal cell

Intestine

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11
Q

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

A

Secretin

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12
Q

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

A

Bicarbonate

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13
Q

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

A

6

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14
Q

Major apoprotein associated with chylomicron is

A

B48

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15
Q

The apoprotein for VLDL is ____

A

B-100

16
Q

___ mainly carry dietary TGs in the blood

A

Chylomicron

17
Q

Chylomicron contains ____ and _____

A

Cholesterol

Fat soluble vitamin

18
Q

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

A

Smooth ER

Rough ER

19
Q

Nascent chylomicron enters blood through _____

A

Thoracic act

20
Q

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

A

ApoCII

ApoE

21
Q

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

A

Muscle

More

22
Q

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

A

ApoCII

23
Q

Apoprotein ___ is responsible for uptake of chylomicron remnants

A

E