LipidChem

Question 1

Classification of lipids

Answer 1

siple lipids, complex lipids and precursor and derived lipids

Question 2

simple lipids are made up of

Answer 2

esters of fatty acids + alcohols

Question 3

Classifications of simple lipids

Answer 3

Fats and Waxes

Question 4

main storage form of fats

Answer 4

Triacylglycerol

Question 5

Classification of Simple lipids where in esters of fatty acids with higher molecular weight monohydric alcohol. A hdroxy group and a carboxyl group give rise to ester bond

Answer 5

Waxes

Question 6

Classification of Lipids where in esters of fatty acids containing groups in addition to an alcohol and a fatty acid

Answer 6

Complex Lipids

Question 7

Phospholipid is composed of ____

Answer 7

Fatty acid + Alcohol + Phosphoric Acid

Question 8

Glycerophospholipid is composed of _____

Answer 8

Fatty acid + Glycerol + Phosphoric Acid

Question 9

Sphingophospholipid is composed of ____

Answer 9

Fatty acid + Sphingosine + Phosphoric Acid

Question 10

Glyceroglycolipids and Sphingoglycolipids are examples of _____

Answer 10

Glycolipids

Question 11

Two divisions of sphingoglycolipids

Answer 11

Cerebroside and Ganglioside

Question 12

Activated form of fatty acids on glcyerophospholipids are attached to what carbon numbers?

Answer 12

C1 and C2

Question 13

What is attached to the 3rd Carbon atom of a Glycerophospholipid?

Answer 13

Phosphate Ester

Question 14

Where can you find phophatidylethonolamine

Answer 14

Cell membrane

Question 15

What is the other name for phosphatidylethonolamine

Answer 15

Cephaline

Question 16

What is the most abundant phopsholipid in the cell membrane?

Answer 16

Phosphatidylcholine

Question 17

What is Phosphatidylcholine’s also known as?

Answer 17

Lecithin

Question 18

What phospholipid is a major constituent of pulmonary surfactant?

Answer 18

Phosphatidylcholine—dipalmitoyl Lecithin

Question 19

The structural basis of the 2nd messenger of hormones (PIP2)

Answer 19

Phosphatidylinositol

Question 20

enzyme that acts on Phosphatidylinositol 4,5-bisphosphate to form Diacylglycerol and Inositol triphosphate

Answer 20

Phospholipase C

Question 21

2nd messenger products of phosphatidylinositol 4,5 bisphosphate

Answer 21

Diacylglycerol and Inositol Triphosphate

Question 22

A phosphatidylglycerol that can be found only in the inner mitochondrial membrane that serves as a proton trap in oxidative phosphorylation

Answer 22

Cardiolipin (diphosphatidyl glycerol)

Question 23

What is the other phospholipid other than Phosphatidylcohline that can be found in pulmonary surfactant

Answer 23

phosphatidylglycerol

Question 24

What is the base of Sphingomyelin

Answer 24

Choline

Question 25

Site and function of Sphingomyelin

Answer 25

Found in the myelin sheath and is important for cell signaling pathways

Question 26

Difference between Glycerophospholipid and Sphingophospholipid

Answer 26

Sphingophospholipid has 1 FA and 1 Phosphate Ester; Glycerophospholipid has 2 FA and 1 Phosphate ester

Question 27

Glycolipids are composed of

Answer 27

FA + Alcohol + Carbohydrate

Question 28

Glycolipid that is found in weat flour

Answer 28

Flyceroglycolipid

Question 29

Disease related B-Galactocerebroside

Answer 29

Krabbe’s disease

Question 30

Disease related to B-Glucocerebroside

Answer 30

Gaucher’s diease

Question 31

location of B-Galactocerebroside

Answer 31

Brain and myelin sheath

Question 32

location of B-Glucocerebroside

Answer 32

Liver and spleen

Question 33

A Sphingosine + FA is a ____

Answer 33

Ceramide

Question 34

Glucose + Galactose + ceramide

Answer 34

GM3

Question 35

GluGal + NacetylD-galactosamine

Answer 35

GM2

Question 36

Glucose + Galactose + NAcetylD-galactosamine + Galactose

Answer 36

GM1

Question 37

Enzyme related to Gangliosidosis

Answer 37

GM1-B-galactosidase

Question 38

Disease related to hexaminidase A

Answer 38

Tasy Sach’s disease

Question 39

Deficiency of Sulfolipid is associated with what?

Answer 39

Matachromatic leukodystrophy

Question 40

Apoliproprotein in LDL

Answer 40

B100

Question 41

Lipoprotein with B-48

Answer 41

Chylomicron

Question 42

Lipoprotein with D

Answer 42

HDL

Question 43

Carries exogenous TAG

Answer 43

Chylomicrons (B48)

Question 44

representing a final stage in the catabolism of VLDL

Answer 44

LDL

Question 45

derived from the liver for the export of triacylglycerol

Answer 45

VLDL

Question 46

involved in cholesterol transport and VLDL and chylomicron metab

Answer 46

HDL

Question 47

C atoms in a short Chain

Answer 47

2-4C

Question 48

C atoms in a medium Chain

Answer 48

6-12C

Question 49

C atoms in a Long chain

Answer 49

More than 12 C

Question 50

The adjacent hydrogen group is at the same side of the double bond

Answer 50

Cis

Question 51

The hydrogen group is at the opposite side of the double bound

Answer 51

Trans

Question 52

why is B-hydroxybutyric acid not a real true ketone body

Answer 52

carbony carbon not attached to carbon instead to a carboxyl group

Question 53

Vitamin for visual pigment

Answer 53

A

Question 54

Vitamin for metabolism and growth

Answer 54

D

Question 55

Vitamin for antioxidation

Answer 55

E

Question 56

Vitamin for blood clotting factor

Answer 56

K

Question 57

Pathway of lipid digestion

Answer 57

Stomach (lingual and gastric lipase) -> Duodenum -> Pancreatic lipase -> Intestinal lumen -> Liver

Question 58

fates of glycerol

Answer 58

portal vein and phosphatidic acid pathway

Question 59

Fates of Fatty Acid

Answer 59

heaptic portal vein as free fatty acid and triacylglcerol -> chylomicrons -> thoracic duct

Question 60

Digestive Products

Answer 60

Free FA + 2monoacylglycerol + Cholesterol + Free FA