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CHEM 221: Biochemistry > Group 9: Fat Metabolism > Flashcards

Group 9: Fat Metabolism Flashcards

Absorption of Fats, Oxidation of Fats, Glycerols, and Fatty Acids

1
Q

Location where the interaction with bile occurs.

A

Small intestine

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2
Q

The site where triacylglycerols are broken down into monoacylglycerols.

A

Small intestine

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3
Q

What digestive enzyme aids in the breakdown of triacylglycerols to monoacylglycerols.

A

Pancreatic Lipase

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4
Q

Triacyl glycerols are converted into small droplets caused by the churning action. Where does this take place?

A

Stomach

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5
Q

A thick, semi-liquid made up of partially digested food and gastric secretions.

A

Chyme

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6
Q

The site where gastric lipases are active.

A

Stomach

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7
Q

The site where pancreatic enzymes are active.

A

Small intestine

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8
Q

Site where fatty acid micelle is produced.

A

Small intesine

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9
Q

Chylomicrons are produced in:

A

Intestinal cells

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10
Q

Monoacylglycerols are converted back/repackaged into triacylglycerols.

A

Intestinal Cells.

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11
Q

Major enzymes responsible for lipid digestion

A

Pancreatic Lipase

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12
Q

It is a 4- Carbon molecule

a. Ketoacid
b. Lipids
c. Acetoacetate
d. Beta-hydroxybutyrate
e. Both c and d

A

Acetoacetate and Beta-hydroxybutyrate

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13
Q

It is a ketoacid

a. Acetoacetate
b. Butyric acid
c. Butyrate
d. Amino acid

A

a. Acetoacetate

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14
Q

Its structure contains a ketone functional group.

I. butyric acid
II. Acetoacetate
III. acetone
IV. Muriatic acid
V. Hydroxybutyrate

a. I. and V.
b. II. and III.
c. V. only
d. I, II, III, IV, and V.

A

b. II and III

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15
Q

It is classified as a ketone body, but not a ketone.

a. Ketoacid
b. Lipids
c. Acetoacetate
d. Beta-hydroxybutyrate
e. Both c and d

A

d. Beta-hydoxybutyrate

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16
Q

When are ketone bodies produced?

A

During excessive amounts of acetyl CoA produced

17
Q

A metabolic pathway by which fatty acids are synthesized from acetyl CoA

A

Lipogenesis

18
Q

Site where lipogenesis occur

A

Cell cytosol

19
Q

When does biosynthesis of fatty acids occur?

A

When dietary sources provide more nutrients than required

20
Q

The starting material for lipogenesis.

A

acetyl CoA

21
Q

It is the hydrolysis of triacylglycerols stored in adipose tissue, followed by the release into the bloodstream of fatty acids and glycerol so produced.

A

TAG mobilization

22
Q

It is a TAG-storing cell.

A

Adipocyte

23
Q

It is a tissue that contains large number of adipocyte cells.

A

Adipose tissue

CHEM 221: Biochemistry (4 decks)

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