Lipids

Question 1

Functions as metabolic fuel and building blocks for other lipids

Answer 1

Fatty acid

Question 2

Main storage form of fatty acids and chemical energy in adipose

Answer 2

Triglycerides

Question 3

Component of membranes. Source of arachidonic acid, inositol and triphosphate and diglyceride for signal transduction

Answer 3

Phospholipids

Question 4

Component of cell membranes (lipid rafts)

Answer 4

Sphingolipids

Question 5

Component of membranes. Precursor of bile salts and steroid hormones

Answer 5

Cholesterol

Question 6

Functions in lipid digestion and absorption of long chain fatty acids and is the main product of cholesterol metabolism/degradation

Answer 6

Bile salts

Question 7

Functions as intracellular signals that regulate gene expression in target cells and readily pass through membrane enabling direct action to DNA

Answer 7

Steroid hormones

Question 8

Functions as regulators of physiological functions

Answer 8

Eicosanoids

Question 9

Vitamin for vision

Answer 9

Vitamin A

Question 10

Vitamin for calcium storage

Answer 10

Vitamin D

Question 11

Vitamin antioxidant

Answer 11

Vitamin E

Question 12

Vitamin blood coagulant

Answer 12

Vitamin K

Question 13

Functions as metabolic fuel

Answer 13

Ketone bodies

Question 14

Fatty acid chain with 2 to 5 carbon atoms

Answer 14

Short chain

Question 15

Fatty acid chain with 6 to 12 carbon atoms

Answer 15

Medium chain

Question 16

Fatty acid chain with 14 to 26 carbon atoms

Answer 16

Long chain

Question 17

Are signaling molecules made by enzymatic or non-enzymatic oxidation of arachidonic acid or other polyunsaturated fatty acids, 20 carbon units in length

Answer 17

Eicosanoids

Question 18

A family of compounds that have the 20-carbon skeleton of prostanoic acid, first detected in seminal fluid

Answer 18

Prostaglandins

Question 19

Found in white blood cells (leukocytes). An important property is constriction of smooth muscles especially in the lungs

Answer 19

Leukotrienes

Question 20

Found in thrombocytes. For coagulation

Answer 20

Thromboxane

Question 21

Are endogenous anti-inflammatory, pro-resolving molecules that play a vital role in reducing excessive tissue injury and chronic inflammation

Answer 21

Lipoxins

Question 22

The main storage form of fatty acids

Answer 22

Triacylglycerol (TAGs)

Question 23

Has only one or two OH groups of glycerol esterified by fatty acids

Answer 23

Mono and diglycerides

Question 24

All three OH groups are esterified. The most common lipid material

Answer 24

Triglycerides or Triacylglycerides

Question 25

This process is catalyzed by lipases and is important for the digestion of fat and fat mobilization

Answer 25

Hydrolysis

Question 26

The hydrolysis of triacylglycerols by alkali to produce glycerol and soaps

Answer 26

Saponification

Question 27

The term used to represent the deterioration of fats and oils resulting in unpleasant taste

Answer 27

Rancidity

Question 28

The substances which can prevent the occurrence of oxidative rancidity

Answer 28

Antioxidants

Question 29

Number of iodine absorbed by 100g of fat or oil

Answer 29

Iodine number

Question 30

Hydrolysis of triacylglycerol which take place by lipases producing fatty acids and glycerols

Answer 30

Hydrogenation

Question 31

Attack the ester linkage of phospholipids

Answer 31

Phospholipases

Question 32

Salts formed by saponification

Answer 32

Soap

Question 33

Molecules that contain glycerol, fatty acids, phosphate and alcohol

Answer 33

Phosphoglycerides

Question 34

Contain sphingosine instead of glycerol

Answer 34

Sphingolipids

Question 35

A type of sphingolipid found in animal cell membranes

Answer 35

Sphingomyelins

Question 36

Complex derivatives of triterpenes and composed of 4 fused rings

Answer 36

Steroids

Question 37

Lipoproteins formed in the intestinal mucosal cells and secreted into the lacteals of lymphatic system. They are rich in triglyceride

Answer 37

Chylomicrons

Question 38

Lipoproteins that carries triglycerides from liver to peripheral tissues for energy needs

Answer 38

VLDL

Question 39

Lipoproteins that transport cholesterol from liver to peripheral tissues

Answer 39

LDL

Question 40

Lipoprotein that is the main transport form of cholesterol from peripheral tissue to liver

Answer 40

HDL