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BIOCHEM > BIOCHEM PART 5 > Flashcards

BIOCHEM PART 5 Flashcards

1
Q

Glycoside aka

A

monosaccharide acetal

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2
Q

molecule which a carbon is contains hydroxyl group & ether group.

A

Hemiacetal

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3
Q

with 2 ether groups in a carbon atom

A

Acetal

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4
Q

If one of the hydroxyl groups of a monosaccharide is replaced with an amino group, an amino sugar is produced.

A

Amino acid formation

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5
Q

Amino derivative of monosaccharide in which 2 carbon is replace by amino group. Undergo N-acetylation they can be N-acetylglucosamine, N-acetylgalactosamine and N-acetylmannosamine

A

Amino acid formation

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6
Q

Molisch test result

A

Purple Ring at the Junction

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7
Q

General test for carbohydrates detects the presence of alpha naphthol

A

Molisch test

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8
Q

Anthrone result

A

green/blue green color

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9
Q

General test for carbohydrates detects the presence of hydroxy methyl furfural & methyl furfural (that will be react to anthrone reagent)

A

Anthrone

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10
Q

Taubers test result

A

Cherry red

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11
Q

identification of pentose sugars react with glacial acetic acid

A

Benzidine Taubers Test

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12
Q

ketose vs aldose differentiation but positive only in ketose

A

Tauber’s Aminoguanidine test

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13
Q

Bial’s Orcinol Test result

A

Blue Green

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14
Q

Differentiate pentoses from hexoses

A

Bial’s Orcinol Test

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15
Q

Detects the presence of deoxy sugar

A

Keller-Killiani

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16
Q

Keller-Killiani result

A

(+) reddish brown layer at the junction 2 liquids

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17
Q

General test for aldehyde

A

Tollen’s test

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18
Q

Test for reducing sugar. Use of strong alkali such as NaOH

A

Moore’s test

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19
Q

Moore’s test result

A

Caramel like odor

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20
Q

Class of a heterogenous group of compounds, which are more related by their physical than by their chemical properties

A

Lipids

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21
Q

Lipids physical property

A

Non polar, hydrophobic, liposoluble

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22
Q

Function of Lipids

A
  1. Act as coenzyme
  2. Important for homeostasis (process of maintaining a stable internal environment suitable for sustaining life
  3. Source of energy
  4. Thermal insulators
  5. Precursor of hormones
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23
Q

Exists freely in the body in their unesterified form and fatty acyl esters. Consists of hydrophobic hydrocarbon chain with a terminal carboxyl group. Made from acetyl CoA

A

Fatty acids

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24
Q

obtain from diet, cannot synthesize by the body

A

Essential fatty acids

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25
Q

Essential fatty acids examples

A

Linoleic acid (Omega 6), Linolenic acid (Omega 3)

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26
Q

Non essential fatty acids examples

A

Palmitic acid, Stearic acid

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27
Q

body is capable producing them

A

Non essential fatty acids

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28
Q

solid in room temperature

A

Saturated fatty acids

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29
Q

Liquid at room temperature

A

Unsaturated Fatty acids

30
Q

Precursor of eicosanoid, leukotrienes, prostaglandins and thromboxane

A

Eicosatetraenoic acid

31
Q

Docosahexaenoic acid aka

A

cervonic acid

32
Q

Fatty acid that is important in developing infants and play important role in brain development and immunity

A

Docosahexaenoic acid

33
Q

What essential unsaturated fatty acids does omega 3 fatty acid food for the heart

A

Eicosapentaenoic acid

34
Q

Fats —> Glycerol enzyme involve

A

Lipase

35
Q

Fatty acid —> Acetyl CoA enzyme involved

A

Beta Oxidation

36
Q

Glucose 3 phosphate —> Glucose enzyme involved

A

Isomerase

37
Q

the number of milligrams of potassium hydroxide required to neutralize the free fatty acids in 1g of the substance

A

Acid Value or Acid number

38
Q

the number of milligrams of potassium hydroxide required to neutralize the free fatty acids and saponify the esters contained in 1 g of the substance

A

Saponification Value

39
Q

measure the average molecular weight of all fatty acid present in oil

A

Saponification

40
Q

Semi drying example

A

Cotton seed and sesame oil

41
Q

Non drying example

A

Olive oil and almond oil

42
Q

the number of grams of iodine absorbed, under prescribed conditions, by 100 grams of substance

A

Iodine Number

43
Q

Esters of 3 F.A + Glycerol

A

Fats

44
Q

Fats aka

A

triglycerides

45
Q

Ester of glycerol & 2 or more fatty acids

A

Fats

46
Q

Important form of energy and regulation of temperature

A

Fats

47
Q

esters of high molecular weight of fatty acids with long chain alcohol.

A

Waxes

48
Q

Most abundant type of lipid in CM

A

Phospholipids

49
Q

Phospholipids components

A
  • Glycerol/Sphingosine (Platform molecule) Sphingosine is a 18C
  • 1 or more Fatty acids
  • Phosphate
  • Organic molecule —> Alcohol
50
Q

Glycerophospholipids

A
  • Glycerol
  • 2 Fatty acids
  • Phosphate
  • Organic molecule —> Alcohol
  • Lecithin —> Choline
  • Cephaline —> Ethanolamine
51
Q

Lecithin aka

A

Phosphatidylcholine

52
Q

Use as antioxidant treating memory disorders. Found in soybean, eggyork
and synthesize by liver.

A

Lecithin

53
Q

Cephaline aka

A

Phosphatidyl ethanolamine

54
Q

Found in liver and heat tissue involved in blood clotting

A

Cephaline

55
Q

Sphingosine and Fatty acid connected via

A

Amide bond

56
Q

Phosphate and Alcohol connected via

A

ester bond

57
Q

Amide bond and phosphate connected via

A

ester bond

58
Q

Choline and alcohol connected via

A

sphingomyelin

59
Q

It is found in all cell membrane and structural component of myelin sheath.

A

Sphingomyelin

60
Q

Deficiency of Sphingomyelinase

A

Niemann-Pick disease

61
Q

Component of cell membrane, cell signaling, immunological function, important component of neurons.

A

Sphingolipids

62
Q

Sphingolipids organic molecule

A

Ceramide

63
Q

Present in gray matter.

A

Ganglioside

64
Q

High ganglioside result to

A

TAY SACH’S DISEASE

65
Q

High cerebroside

A

GAUCHER’S DISEASE

66
Q

Cytolipins aka

A

Globoside

67
Q

It is composed of ceramide + neutral oligosaccharide and has immunological properties

A

Cytolipins

68
Q

Ceramide + 1 monosaccharide

A

Cerobroside

69
Q

Ceramide + charge oligosaccharide

A

Ganglioside

70
Q

Cerobroside discovered by

A

Johann Thudichum

71
Q

Test to detect cerebroside

A

Lassaigne’s Test

BIOCHEM (7 decks)

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