Lipids Flashcards
It is a biochemical substances that are insoluble in water and are soluble in non-polar solvents
Lipids
TRUE OR FALSE:
Lipids yield large amounts of energy
TRUE
Enumerate the 5 biological functions of Lipids
- Store of chemical energy
- Insulate vital organs
- Components of cell membranes
- Chemical Messengers (Hormones)
- Covering of Nerve Fibers
Lipids are largely _________ in nature
Hydrocarbon
What are the two classification of Lipids?
- Saponifiable Lipids
- Non-Saponifiable Lipids
It produces fatty acid salts upon base hydrolysis
Saponifiable Lipids
Kapag walang fatty acids
Non-Saponifiable Lipids
IDENTIFICATION - Kinds of Saponifiable Lipids
Main storage form of fatty acids in cells
Triacylglycerols (TAGS)
TRUE OR FALSE:
Triacylglycerols (TAGs) is the esters of glycerol and fatty acids
TRUE
What is the most abundant Fatty Acids?
- Palmitic
- Stearic
- Oleic
- Linoleic
TRUE OR FALSE:
Non-Saponifiable keeps the animals warm
FALSE; Saponifiable Lipids keeps the animals warm
TRUE OR FALSE:
More than 90% of seal blubbers is fats
FALSE; more than 80%
IDENTIFICATION - Kinds of Saponifiable Lipids
Monocarboxylic acids that contain long, unbranched hydrocarbon chain
Fatty Acids
IDENTIFICATION - Kinds of Saponifiable Lipids
Generally, Fatty Acids have ___ - ___ Carbon Atoms in length
12-26
IDENTIFICATION: Types of Fatty Acids
No double bonds
Saturated
What are the three types of Fatty Acids?
- Saturated
- Monosaturated
- Polyunsaturated
IDENTIFICATION: Types of Fatty Acids
One double bond
Monounsaturated
IDENTIFICATION:
TAGs with high percentage of saturated Fatty Acids
Fats
IDENTIFICATION: Types of Fatty Acids
2 or more double bonds
Polyunsaturated
What type of Fatty Acids does have:
1. High Melting Point
2. Low Melting Point
- Saturated Fatty Acids
- Unsaturated Fatty Acids
TRUE OR FALSE:
Fats came from animal sources
TRUE
TRUE OR FALSE:
Oils came from plant sources
TRUE
IDENTIFICATION:
High Percentage of Unsaturated Fatty Acids
Oils
IDENTIFICATION:
Fatty Acids that mammals cannot synthesize
Essential Fatty Acids
IDENTIFICATION:
Common constituents of cellular membranes
Glycerophospholipids
IDENTIFICATION:
Polyunsaturated Fatty Acids is essential in _______ _______ and _________ ________ ________ __________
normal visual and central nervous system development
IDENTIFICATION:
When Glycerophospholipids is hydrolyzed, it yields?
- 1 glycerol
- 2 fatty acids
- 1 phosphate group
- 1 alcohol group
IDENTIFICATION
Hydrophobic portion of Glycerophospholipids consists of ________ joined to ______
2 fatty acids joined to glycerol backbone
TRUE OR FALSE:
In Glycerophospholipids, Carbon 3 is sterified to a phosphate group
TRUE
TRUE OR FALSE:
Only carbon 1&2 are esterified to fatty acids
TRUE
IDENTIFICATION:
Glycerophospholipids is also known as ___________ or _________
phospholipids or phosphoglycerydes
IDENTIFICATION:
Sphingolipids can be found in _______?
Plasma Membranes
IDENTIFICATION: Sphingolipids
The OH Group in C-1 is attached to a group via _________
ester linkage
TRUE OR FALSE:
Sphingolipids has the lowest in concentration in cells of central nervous system
FALSE; sphingolipids has the highest in concentration in cells
IDENTIFICATION: Sphingolipids
Common constituent of plasma membranes
Sphingomyelin
IDENTIFICATION:
Derivatives of the lipid sphingosine
Sphingolipids
IDENTIFICATION: Sphingolipids
Sphingomyelin is prominent in _______?
Myelin
IDENTIFICATION: Sphingolipids
When Sphingolipids is hydrolyzed, it produces:
- Sphingosphine
- Fatty Acid
- Phosphate
- Alcohol Group
IDENTIFICATION: Sphingolipids
What is the bond between amino group and fatty acids?
Amide Bond
IDENTIFICATION: Sphingolipids
What is the bond between phosphate group & sphingosphine?
Phosphoester Bond
