BIOCHEM PART 5

Question 1

Glycoside aka

Answer 1

monosaccharide acetal

Question 2

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

Answer 2

Hemiacetal

Question 3

with 2 ether groups in a carbon atom

Answer 3

Acetal

Question 4

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

Answer 4

Amino acid formation

Question 5

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

Answer 5

Amino acid formation

Question 6

Molisch test result

Answer 6

Purple Ring at the Junction

Question 7

General test for carbohydrates detects the presence of alpha naphthol

Answer 7

Molisch test

Question 8

Anthrone result

Answer 8

green/blue green color

Question 9

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

Answer 9

Anthrone

Question 10

Taubers test result

Answer 10

Cherry red

Question 11

identification of pentose sugars react with glacial acetic acid

Answer 11

Benzidine Taubers Test

Question 12

ketose vs aldose differentiation but positive only in ketose

Answer 12

Tauber’s Aminoguanidine test

Question 13

Bial’s Orcinol Test result

Answer 13

Blue Green

Question 14

Differentiate pentoses from hexoses

Answer 14

Bial’s Orcinol Test

Question 15

Detects the presence of deoxy sugar

Answer 15

Keller-Killiani

Question 16

Keller-Killiani result

Answer 16

(+) reddish brown layer at the junction 2 liquids

Question 17

General test for aldehyde

Answer 17

Tollen’s test

Question 18

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

Answer 18

Moore’s test

Question 19

Moore’s test result

Answer 19

Caramel like odor

Question 20

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

Answer 20

Lipids

Question 21

Lipids physical property

Answer 21

Non polar, hydrophobic, liposoluble

Question 22

Function of Lipids

Answer 22

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

Question 23

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

Answer 23

Fatty acids

Question 24

obtain from diet, cannot synthesize by the body

Answer 24

Essential fatty acids

Question 25

Essential fatty acids examples

Answer 25

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

Question 26

Non essential fatty acids examples

Answer 26

Palmitic acid, Stearic acid

Question 27

body is capable producing them

Answer 27

Non essential fatty acids

Question 28

solid in room temperature

Answer 28

Saturated fatty acids

Question 29

Liquid at room temperature

Answer 29

Unsaturated Fatty acids

Question 30

Precursor of eicosanoid, leukotrienes, prostaglandins and thromboxane

Answer 30

Eicosatetraenoic acid

Question 31

Docosahexaenoic acid aka

Answer 31

cervonic acid

Question 32

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

Answer 32

Docosahexaenoic acid

Question 33

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

Answer 33

Eicosapentaenoic acid

Question 34

Fats —> Glycerol enzyme involve

Answer 34

Lipase

Question 35

Fatty acid —> Acetyl CoA enzyme involved

Answer 35

Beta Oxidation

Question 36

Glucose 3 phosphate —> Glucose enzyme involved

Answer 36

Isomerase

Question 37

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

Answer 37

Acid Value or Acid number

Question 38

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

Answer 38

Saponification Value

Question 39

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

Answer 39

Saponification

Question 40

Semi drying example

Answer 40

Cotton seed and sesame oil

Question 41

Non drying example

Answer 41

Olive oil and almond oil

Question 42

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

Answer 42

Iodine Number

Question 43

Esters of 3 F.A + Glycerol

Answer 43

Fats

Question 44

Fats aka

Answer 44

triglycerides

Question 45

Ester of glycerol & 2 or more fatty acids

Answer 45

Fats

Question 46

Important form of energy and regulation of temperature

Answer 46

Fats

Question 47

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

Answer 47

Waxes

Question 48

Most abundant type of lipid in CM

Answer 48

Phospholipids

Question 49

Phospholipids components

Answer 49

- Glycerol/Sphingosine (Platform molecule) *Sphingosine is a 18C* - 1 or more Fatty acids - Phosphate - Organic molecule —> Alcohol

Question 50

Glycerophospholipids

Answer 50

- Glycerol - 2 Fatty acids - Phosphate - Organic molecule —> Alcohol - Lecithin —> Choline - Cephaline —> Ethanolamine

Question 51

Lecithin aka

Answer 51

Phosphatidylcholine

Question 52

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

Answer 52

Lecithin

Question 53

Cephaline aka

Answer 53

Phosphatidyl ethanolamine

Question 54

Found in liver and heat tissue involved in blood clotting

Answer 54

Cephaline

Question 55

Sphingosine and Fatty acid connected via

Answer 55

Amide bond

Question 56

Phosphate and Alcohol connected via

Answer 56

ester bond

Question 57

Amide bond and phosphate connected via

Answer 57

ester bond

Question 58

Choline and alcohol connected via

Answer 58

sphingomyelin

Question 59

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

Answer 59

Sphingomyelin

Question 60

Deficiency of Sphingomyelinase

Answer 60

Niemann-Pick disease

Question 61

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

Answer 61

Sphingolipids

Question 62

Sphingolipids organic molecule

Answer 62

Ceramide

Question 63

Present in gray matter.

Answer 63

Ganglioside

Question 64

High ganglioside result to

Answer 64

TAY SACH’S DISEASE

Question 65

High cerebroside

Answer 65

GAUCHER’S DISEASE

Question 66

Cytolipins aka

Answer 66

Globoside

Question 67

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

Answer 67

Cytolipins

Question 68

Ceramide + 1 monosaccharide

Answer 68

Cerobroside

Question 69

Ceramide + charge oligosaccharide

Answer 69

Ganglioside

Question 70

Cerobroside discovered by

Answer 70

Johann Thudichum

Question 71

Test to detect cerebroside

Answer 71

Lassaigne’s Test