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Biochemistry > 3.1 Lipid Chemistry > Flashcards

3.1 Lipid Chemistry Flashcards

0
Q

Energy is stored as

A

TAG

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1
Q

When oxidized, each fat releases

A

9 kcal

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2
Q

Are esters of fatty acids with glycerol

A

Fats/tags

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3
Q

Tags are synthesized in the process of

A

Dehydration

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4
Q

Molecules removed in the process of forming the ester binds of tags

A

3 water molecules

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5
Q

Are esters of fatty acids with higher molecular weight monohydric alcohol

A

Waxes

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6
Q

Molecules removed in the process of dehydration to for waxes

A

1 water molecule

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7
Q

Is made up fatty acid, alcohol, and phosphoric acid residue

A

Phispholipid

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8
Q

Also called cephalin

Found in cell membranes

A

Phosphatidylethanolamine

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9
Q

Also known as lecithin

Glycerophospholipid containing choline; most abundant phospholipid of the cell membrane; large stores of choline

A

Phosphatidylcholine

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10
Q

16-carbon saturated fatty acid
Constituent of pulmoary surfactabt
Significant in rds

A

Dipalmitoyl lecithin

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11
Q

Precurosor of cardiolipin

Found only in mitochondria for function

A

Phosphatidylglycerol

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12
Q

Yielded by sphingosine and fatty acid

A

Ceramide

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13
Q

Yielded by phosphoric acid, choline, and ceramide

A

Sphigomyeljn

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14
Q

Formed by fatty acid, alcohol, and sugar residue

A

Glycolipid

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15
Q

Complex glycosphingolipod derived from glucosylceramide that contain sialic acid

A

Ganglioside

16
Q

Ganglioside where glucose is attached to ceramidw and galactose is attached to sialic acid

A

Gm3

17
Q

Gm2

A

Gm3 + 4th carbon of galactose is attached to another sugar + galnac

18
Q

Gm1

A

Gm2 + 3rd carbon of galnac is attached to another galactose

19
Q

Ganglioside known as a receptor for cholera toxin

A

Gm3

20
Q

Gangliosidosis

A

Def in gm1 B galactosidase

21
Q

Tay sach’s disease

A

Def in hexosaminidase A

22
Q

Enzyme for cleaving sulphate in sulfolioid

A

Arylsilfatase A

23
Q

Definciency in aryksulfatase a is associated with

A

Metachromatic leukodystrophy

24
Q

Lipid containing leucine

A

Lipstatin

25
Q

Very potent inhibitor of pancreatic lipase

A

Lipstatin

26
Q

Carries exogenous TAG

A

Chylomicrons

27
Q

Carries endogenous TAG

A

VLDL

28
Q

Cholesterol in plasma is in __ form

A

Esterified form

29
Q

Cholesterol in cell membranes is in the – form

A

Free form

30
Q

Precursor of vitamin d

A

Esgosterol

31
Q

Naturally occuring steroids are in the – form

A

Chair form

32
Q

3 ketone bodies

A

Acetone
Acetoacetic acid
B hydorxybutyric acid (carboxylic acid)

33
Q

Significance of ADEK

A

A - vision
d - regulates calcium and phosphorus metab
E - antioxidant with possible reproductive fxns
Vit k regulates blood clotting

Biochemistry (29 decks)

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