extra Flashcards

1
Q

what makes subsequent steps more thermodynamically favourable

A

making malonyl coa

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2
Q

what in ACP is useful

A

vitamin B5 derivative that contains SH group

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3
Q

where do we get DHAP for TAG synth

A

glycolysis
gluconeogenesis
glyceroneogenesis

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4
Q

glycerol kinase is where

A

liver and kideny

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5
Q

removal of phosphate gorup on phosphatidic acid

A

phoasphatidci acid phosphotase

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6
Q

precursor of TAG

A

phosphotidic acid

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7
Q

what does phosphotidic acid phosphotase yield

A

1,2 diacylglycerol

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8
Q

what cells dont have glycerol kinase

A

adipose cells

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9
Q

where does glyceroneogenesis occur

A

liver and adipose tissue

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10
Q

head groups of phospholipids

A

serine, H, choline, ethanolamine, inisitol, glycerol

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11
Q

what functions to store FA, and signallnig molecules iwthin cells

A

phospholipids

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12
Q

what do VLDLs do

A

deliver TAG from liver to non hepatic tissue

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13
Q

what does LDL do

A

delivers cholesterol AND CHOLESTEROL ESTERS from liver to non hepatic tissue

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14
Q

functions for cholesterol transport/ clearance

A

apoB48

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15
Q

binds to LDL receptors

A

APOB100

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16
Q

where is apo B48 generated

A

in the intestine

17
Q

what is fromed by A1 or A2

A

lysophospholipid

18
Q

what is removed by A2 in mammals

A

arachidonic acid (20:4n-6) form sn2

19
Q

what cells express LDL receptors

A

adipose and muscle

20
Q

what happens to cholesterol from HDL in liver

A

metabolized

21
Q

where is LPL

A

anchored to cell surfaces of tissues exxposed to circulation

22
Q

what does LPL do

A

hydrolyzes triglycerides containing 48 and 100

23
Q

genetic disorders

A

LPL deficiency
LDL receptor defect

24
Q

RCT ulitimate action

A

ultimately for excretion from the body

25
Q

cholesterol efflux

A

transfer of cholesterol and phospholipids to nascnet HDL

26
Q

cholesterol ester to cholesterol enzyme

A

CHOLESTEROL ESTER HYDROLASE

27
Q

what do omega 3 FA do

A

inc cholesterol efflulx
reduce sdLDL!!!!!!!!!!!!!!

28
Q

where do bile acids work

A

in the interstine

29
Q

bile salts

A

conjugated bile acids such as taurine and glycine

30
Q

where are bile acids formed and stored

A

formed in liver and stored in galbladder

31
Q

what increases excretion fo bile acids

A

bile acid binding agents

32
Q

multifactorila features of atheroschlerosis

A

lipid disorder
hypertensive disorder
inflamatory disorder

33
Q

what is atheroschlerosis

A

excess deposition of lipids (TAG and cholesterol) in macrophages in arterial walls

34
Q

what are monocytes attracted to

A

oxidized liporoteins that aggregate and stick to extracellular matrix

35
Q

what happesn after foam celll ingests lipoprotein

A

free C accumulate in membranes and droplets
cholesterol rich plaques form

36
Q

what causes formation of sdLDL

A

high LDL
excress hydrolysis

37
Q

oxLDL

A

LDL protein AND lipid are oxidized

38
Q

what down regulates cholesterol synth

A

PUFA

39
Q

do PUFAs do

A

down regular cholesterol synth
inhibit CETP
riase HDL