lipoproteins Flashcards

1
Q

what are the four lipoproteins ?

A

chylomicrons
VLDL
LDL
HDL

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2
Q

what is the makeup of lipoproteins ?

A

TAG and cholesterol ester core

shell of apolipoproteins and phospholipids

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3
Q

lipoprotein functions ?

A

recognition cell surface receptors

activators or coenzymes for enzymatic activity of lipoprotein metabolism

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4
Q

chylomicrons carry?

A

TAGS
cholesterol
fat soluble vitamins

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5
Q

lipoprotein lipase synthesis and FA storage is increased by ?

A

insulin

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6
Q

what organ has a high concentration of lipoprotein lipase

A

heart

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7
Q

chylomicrons are packaged where

A

intestine

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8
Q

VLDL is produced where

A

liver

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9
Q

VLDL is mostly made up of?

A

TAGS

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10
Q

VLDL function?

A

deliver endogenous TAG to peripheral tissues

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11
Q

LDL is produced from what?

A

VLDL

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12
Q

LDL have less ____ and more____ than VLDL

A

TAG

cholesterol and cholesterol esters

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13
Q

LDL function

A

cholesterol to peripheral tissues or return to liver

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14
Q

HDL function

A

transport cholesterol from periphery to liver

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15
Q

Define lipoprotein

A

spherical macromolecular complex of lipids and specific proteins (apoproteins)

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