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Biochemistry > 3rd LEs > Flashcards

3rd LEs Flashcards

1
Q

Structure of TAGs

A

3 fatty acid chain with glycerol as the backbone

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2
Q

Structure of waxes

A

Esters of fatty acids with higher molecular weight monohydric alcohol

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3
Q

Process of synthesis of TAGs and Waxes

A

Dehydration

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4
Q

Removed in the process of dehydration and formation of ester bonds in TAGs

A

3 water moelcules

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5
Q

Removed in the formation of waxes

A

1 water molecule

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6
Q

Structure of a glycerolphospholipid

A

FA + Glycerol + PX

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7
Q

Also known as cephalin found in cell membrane

A

Phospathidylethanolamine

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8
Q

Also known as lecithin

A

Phosphatidylcholine

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9
Q

Most abundant phospholipid of the cell membrane

A

Phosphatidylcholine

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10
Q

major component of pulmonary surfactant, composed of two palmitic acids

A

Dipalmitoyl lecithin

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11
Q

Precursor of phosphatidylinositol 4,5 bisphosphate (important cell membrane consituent) and diaculglycerol and insitol triphosphate (2nd messengers)

A

Phosphatidylinositol

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12
Q

Precurosis of cardiolipin, found only in the mitochondira

A

Phosphatidylglycerol

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13
Q

Structure of sphingolipids

A

FA + Sphingosine + P

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14
Q

composition of ceramide

A

Sphingosine + FA

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15
Q

Structure of sphingomylein

A

Ceramide + phosphoric acid + choline

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16
Q

Structure of glycolipid

A

FA + OH + CHO (sugar)

17
Q

Location, enzyme, and deficiency of B-glucocerebroside

A

Liver and Spleen
B-glucosidase or glucocerebrosidase
Gaucher’s disease

18
Q

Location, enzyme, and deficiency of B-galactocerebroside

A

Brain and myelin sheath
B-galactosidase
Krabbe’s disease

19
Q

GM3

A

Glucose is attached to ceramide and galactose is attached to sialic acid

20
Q

Gm2

A

GM3 + 4th cardbon of galactose is attached to another sugar and GalNac

21
Q

Gm1

A

Gm2 + 3rd carbon of galnac is attached to galactose

22
Q

A ganglioside known to be a receptor in human intestine for cholera toxin

23
Q

Gangliosidosis

A

deficient in gm3-b-galactosidase (cleaves galactos)

24
Q

Tay Sach’s disease

A

Deficient in hexosaminidase A (cleaves GalNac)

25
Q

Cleaves sulfate group in sulfatide

A

Arylsulfatase A

26
Q

Deficiency in arylsulfatase A is associated with

A

Metachromatic leukodystrophy

27
Q

Potent inhibitor of pancreatic lipase

28
Q

Orlistat

A

Derivative of lipstatin

29
Q

Lipoproteins which carry exogenous TAGs

A

Chylomicrons

30
Q

Lipoproteins which carry endogenous TAG

31
Q

Precursor of Vitamin D

A

Esgosterol

32
Q

Three ketone bodies

A

Acetone
Acetoacetic acid
Beta hydroxybutyric acid

Biochemistry (29 decks)

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