1. How chylomicron remnants are cleared from circulation? a. Apolipoprotein B-48

Question

1. How chylomicron remnants are cleared from circulation?

a. Apolipoprotein B-48 binds to receptor in liver.

b. Apolipoprotein E binds to receptor in kidney

c. Apolipoprotein C-II binds to heart

d. Apolipoprotein binds to receptor in liver

.

2. Ga subunit of G-protein coupled receptor has capacity to

a. Bind to ATP for active-state and ADP for inactive-state.

b. Bind to GTP for active-state and GDP for inactive-state.

c. Bind to GDP for active-state and GTP for inactive-state.

d. Bind to ADP for active-state and ATP for inactive-state.

.

3. Why is carnitine important for fatty acid metabolism?

a. Carnitine is involved in synthesis of fatty acids.

b. Carnitine is involved in conversion of amino acid to fatty acids.

c. Carnitine is involved in utilization of fatty acids in mitochondria.

d. Carnitine is involved in conversion of monosaccharide to fatty acids.

.

15. When is insulin level in the blood high?

a. Well-fed state

b. Starved state

c. When sleeping

d. During active exercise

.

16. What is making very-low-density lipoprotein lighter than high-density lipoprotein?

a. High-density lipoprotein contains more iron than very-low-density lipoprotein per unit volume

b. High-density lipoprotein contains more triacylglycerols per unit volume

c. Very-low-density lipoprotein contains more glycogen per unit volume

d. Very-low-density lipoprotein contains more triacylglycerols per unit volume

.

17. When is secretion of insulin reduced?

a. High concentration of glucose in the blood.

b. Lack of dietary fuels

c. Well-fed state

d. Never inhibited

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18. How are short and medium length fatty acids ciculating in the blood?

a. Mostly free form

b. Bound to albumin and circulating

c. Bound to phosphoprotein B-48 and circulating

d. Bound to glucose and circulating

.

19. During catabolism of fatty acids, what are made to make ATP?

a. Acetyl CoA

b. FADH2

c. NADPH

d. All of above

Explanation / Answer

1. A

2. B

3. C

15. A

16. B

17. B

18. B

19. A

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