biochem exam 2- lipoprotein particles

Question 1

chylomicrons

Answer 1

comparatively large packets of phospholipids, unesterified choleterol, and apolipoprotein and main source of TAG’s delivered to tissues. chylomicrons increase the solubility of the lipids when in the lipoprotein complex.

Question 2

four lipoprotein particles types

Answer 2

1. chylomicrons
2. VLDL
3. LDL
4. HDL

Question 3

T/F TAGs are more on the outside of the chylomicrons nearer to the membrane, hence they are absorbed by the muscle and fat cells.

Answer 3

True

Question 4

T/F remnants of the chylomicrons are hydrolyzed by the liver into their components parts

Answer 4

True

Question 5

_____ and ______ and _______ are found in the chylomicron membranes

Answer 5

apolipoproteins, phopholipids and unesterified cholesterol are found in the chylomicron membranes

Question 6

what is VLDL

Answer 6

produced in liver
contains lipids that are produced by the body (NOT from diet) and delivers to the cells.

Question 7

TAGs are preferentially drawn off to fat cells and muscles and then become ______.

Answer 7

LDL

Question 8

what is LDL

Answer 8

bad cholesterol, delivers cholesterol to tissues

Question 9

what is HDL

Answer 9

good cholesterol