2.2.1 Lipids and Lipoproteins (Components of Lipoproteins, Significant Apolipoproteins)) Flashcards

1
Q

Which of the following are surface protein?

a. Apolipoprotein
b. Phospholipid
c. Cholesterol (non-esterified)
d. All of the above

A

d

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2
Q

Surface lipoprotein are hydrophobic group

T or F

A

F

Hydrophilic

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3
Q

Phospholipid and Non-esterified cholesterol are both amphipathic

T or F

A

T

Amphipathic = Both polar and nonpolar groups

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4
Q

In phospholipid, the head is polar (Hydrophilic) while the tale is nonpolar (Hydrophobic)

T or F

A

T

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5
Q

In Non-esterified cholesterol, the hydroxyl group is nonpolar

T or F

A

F

Polar

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6
Q

All of the following are core Lipoprotein except?

a. Triglyceride
b. Cholesteryl esters
c. Free fatty acids
d. None of the above

A

d

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7
Q

Core components are nonpolar groups which means they are neutral

T or F

A

T

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8
Q

Plasma concentration:

100-200

a. A-I
b. A-II
c. A-III
d. A-IV

A

a

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9
Q

Plasma concentration:

10-20

a. A-I
b. A-II
c. A-III
d. A-IV

A

d

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10
Q

Plasma concentration:

20 - 50

a. A-I
b. A-II
c. A-III
d. A-IV

A

b

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11
Q

All Apo are mainly distributed in HDL except:

a. All with “A”
b. All with “B”
c. All with “C”
d. E

A

b

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12
Q

Main distribution:

CM, VLDL, HDL

a. A-I
b. A-II
c. A-III
d. A-IV

A

d

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13
Q

A-IV is distributed in CM, VLDL, HDL similarly to all “C”

T or F

A

T

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14
Q

Main distribution:

HDL

a. A-I
b. A-II
c. A-III
d. A-IV

A

a and b

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15
Q

Function:

LCAT

a. A-I
b. B-100
c. C-II
d. C-III

A

a

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16
Q

All Apo are functionally structural except for?

A

E

17
Q

Plasma concentration:

70-125

a. B-100
b. B-48

A

a

18
Q

Plasma concentration:

< 5

a. B-100
b. B-48

A

b

19
Q

Main distribution:

VLDL, IDL, LDL

a. B-100
b. B-48

A

a

20
Q

Main distribution:

CM

a. B-100
b. B-48

A

b

21
Q

Function:

Remnant receptor ligand

a. B-100
b. B-48

A

b

22
Q

Function:

LDL-R ligand

a. A-I
b. B-100
c. C-II
d. C-III

A

b

23
Q

Plasma concentration:

5-8 mg/dl

a. C-I
b. C-II
c. C-III

A

a

24
Q

Plasma concentration:

3-7 mg/dl

a. C-I
b. C-II
c. C-III

A

b

25
Q

Plasma concentration:

10-12 mg/dl

a. C-I
b. C-II
c. C-III

A

c

26
Q

Function:

LPL cofactor

a. A-I
b. B-100
c. C-II
d. C-III

A

c

27
Q

Function:

LPL inhibitor

a. A-I
b. B-100
c. C-II
d. C-III

A

d

28
Q

Plasma concentration

3-15 mg/dl

A

E

29
Q

Apo “E” is distributed in CM, VLDL, IDL, remnants and HDL

T or F

A

T

30
Q

Recognition factor that targets chylomicron and VLDL remnants to hepatic receptor

A

E

31
Q

All Apo that function for structural maintains that structure on the surface

T or F

A

T