lipoproteins Flashcards
what are the four lipoproteins ?
chylomicrons
VLDL
LDL
HDL
what is the makeup of lipoproteins ?
TAG and cholesterol ester core
shell of apolipoproteins and phospholipids
lipoprotein functions ?
recognition cell surface receptors
activators or coenzymes for enzymatic activity of lipoprotein metabolism
chylomicrons carry?
TAGS
cholesterol
fat soluble vitamins
lipoprotein lipase synthesis and FA storage is increased by ?
insulin
what organ has a high concentration of lipoprotein lipase
heart
chylomicrons are packaged where
intestine
VLDL is produced where
liver
VLDL is mostly made up of?
TAGS
VLDL function?
deliver endogenous TAG to peripheral tissues
LDL is produced from what?
VLDL
LDL have less ____ and more____ than VLDL
TAG
cholesterol and cholesterol esters
LDL function
cholesterol to peripheral tissues or return to liver
HDL function
transport cholesterol from periphery to liver
Define lipoprotein
spherical macromolecular complex of lipids and specific proteins (apoproteins)