Bchm 2

Question 1

Perilipin

Answer 1

• proteins that coat lipid droplets in adipocytes and muscle cells
• regulate lipolysis by controlling physical access to HSL

Question 2

18 of what molecule go in to making cholesterol?

Answer 2

acetyl CoA

Question 3

What is the function of lipoproteins?

Answer 3

serve as vehicles for transport of cholesterol, cholesterol esters, TAGs, and fat soluble vitamins

Question 4

What Apos are on chylomicron?

Answer 4

ApoB-48, ApoC-II, ApoE

Question 5

What Apos are on VLDL?

Answer 5

ApoB-100, ApoC-II, ApoE

Question 6

What Apos are on IDL?

Answer 6

ApoB-100, ApoE

Question 7

What Apos are on LDL?

Answer 7

ApoB-100

Question 8

What Apos are on HDL?

Answer 8

ApoA-I, ApoC-II, ApoE

Question 9

Type I Hyperlipoproteinemias

Answer 9

• deficiency in ApoC-II or defective lipoprotein lipase

- increased chylomicron and TAG

Question 10

Type IIa and IIb Hyperlipoproteinemias

Answer 10

• LDL receptor is completely (IIa) or partially defective (IIb)
• increased cholesterol, LDL, VLDL (IIb only), increased TAG (IIb only; IIa has normal TAG)