Lipids 1

Question 1

They are organic compounds found in living organisms that are insoluble (or only sparingly soluble) in water, but soluble in non-polar organic solvents

Answer 1

LIPIDS

Question 2

Lipids that are naturally occurring monocarboxylic acids; are carboxylic acids
with linear (unbranched) aliphatic chain

Answer 2

FATTY ACIDS

Question 3

it indicates number of C atoms
and number of double bond

Answer 3

Structural notation

Question 4

What are the unsaturated fatty acids

Answer 4

Oleic
Linoleic
Linolenic
Arachidonic

Question 5

It Must be part of the diet Children need it the most Human milk has more EFA than cow’s milk

Answer 5

ESSENTIAL FATTY ACIDS

Question 6

What are the examples of ESSENTIAL FATTY ACIDS

Answer 6

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

Question 7

Short chain fatty acids have
some ________ whereas long
chain fatty acids are ________

Answer 7

Solubility
Insoluble

Question 8

The ________ number of C atoms,
________ melting point

Answer 8

Higher
Higher

Question 9

The ________ degree of unsaturation,
__________melting point

Answer 9

Higher
Lower

Question 10

Lipids that are Concentrated primarily in
adipocytes and are considered as Energy-storage materials

Answer 10

TRIGLYCERIDES

Question 11

Triacylglycerols that has three identical fatty acids are esterified; naturally occurring simple TAGs are rare

Answer 11

Simple Triacylglycerols

Question 12

Triacylglycerols that is a tri-ester formed from the esterification of glycerol with more than one kind of fatty acid

Answer 12

Mixed Triacylglycerols

Question 13

Triacylglycerols state that is made of saturated fats, usually from animal sources

Answer 13

FATS

Question 14

Triacylglycerols that is made of unsaturated fats, usually from plant source

Answer 14

Oils

Question 15

Simple lipids that are Protective-coating materials and are a Monoester of a long-chain FA and a long-chain alcohol

Answer 15

BIOLOGICAL WAXES

Question 16

Lipids with other components than in triglycerides; may be composed of mono- or diacylglycerols, sterols, sphingolipids, etc.

Answer 16

COMPOUND LIPIDS

Question 17

3 Types of Compound Lipids

Answer 17

MEMBRANE LIPIDS
EMULSIFICATION LIPIDS
MESSENGER LIPIDS

Question 18

What are the components of Membrane Lipids

Answer 18

Phospholipids
Sphingolipids
Cholesterols

Question 19

Chemical composition of PHOSPHOLIPIDS

Answer 19

Glycerol
2 Fatty acids
Phosphate

Question 20

PHOSPHOLIPIDS has the organic molecule _______

Answer 20

Alcohol

Question 21

Chemical composition of SPINGOLIPIDS

Answer 21

Sphingosine
Fatty acid
Phosphate

Question 22

SPINGOLIPIDS has the organic molecule __________

Answer 22

Ceramide

Question 23

SPINGOLIPIDS that are related to cerebrosides that contain sphingosine, long- chain fatty
acids, hexoses (usually galactose or glucose), and neuraminic acid

Answer 23

Ganglioside

Question 24

Increase in Ganglioside leads to what disease?

Answer 24

TAY SACH’S DISEASE

Question 25

SPINGOLIPIDS that contain carbohydrate (galactose or glucose), one fatty acid and
sphingosine, but NO phosphoric acid or
glycerol

Answer 25

Cerebroside

Question 26

Increase in Cerebroside leads to what disease?

Answer 26

GAUCHER’S DISEASE

Question 27

SPINGOLIPIDS that contain fatty acids,
sphingosine, glucose and galactose.

Answer 27

Cytolipins

Question 28

It is the precursor for hormone and bile acid
synthesis and is essential for cell membrane of animals

Answer 28

CHOLESTEROL

Question 29

Essential for the digestion of food,
especially for solubilization of ingested
fats, it is also a steroid derived from cholesterol

Answer 29

Bile Acid

Question 30

What are the primary bile acids?

Answer 30

Cholic Acid
Chenodeoxycholic Acid

Question 31

What are the secondary bile acids?

Answer 31

Lithocholic Acid
Deoxycholic Acid

Question 32

groups of sex hormones that include testosterone and others. Generally referred to as “male hormones”

Answer 32

Androgens

Question 33

Include estradiol and others and are
referred to as “female hormones”

Answer 33

Estrogen

Question 34

Makes the uterus for the implantation of a
fertilized ovum and upholds the maintenance of pregnancy

Answer 34

Progesterone

Question 35

Tests for Cholesterol

Answer 35

Salkowski Test
Liebermann-Burchard

Question 36

Test for prostethic groups of LIPIDS

Answer 36

Osmic Test

Question 37

Test for CHOLINE

Answer 37

Rosenheim’s test

Question 38

Vitamin D deficiency

Answer 38

RICKETS in child
OSTEOMALACIA in adult

Question 39

Fat soluble vitamin D

Answer 39

Vitamin D2
Vitamin D3