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Lipids
Lipids Basics
24
Chemistry
Undergraduate 2
03/23/2011

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Cards

Term
What type of lipid does not contain fatty acid?
Definition
steroids
Term
what type of lipid contains a carbohydrate?
Definition
glycosphoingolipid
Term
_____ are a family of biomolecules that have the common property of being soluble in organic solvents but not soluble in water
Definition
lipids
Term
what are the two major classes of lipids?
Definition
fatty acid based & steroid based
Term
do saturated fatty acids tend to have high or low melting points? and what is their physical state at room temp?
Definition
high melting point
solids at room temp
Term
do unsaturated fatty acids tend to have high or low melting points? and what is their physical state at room temp?
Definition
low melting points
liquids at room temp
Term
this is often formed when oil is hydrogenated
Definition
trans fats
Term
what are 3 potent physiological effects of prostaglandins?
Definition
-regulate blood pressure
-contraction of uterine muscles
-pain and inflammation response
Term
prostaglandins have a ___ carbon fatty acid chains
Definition
20 also known as eicosanoids
Term
the active form of prostaglandins have a _______ w/ _______
Definition
5 carbon ring w/ 2 "tails"
Term
esters of saturated fatty acids and long-chain alcohols
Definition
waxes
Term
how many total carbons are typically in waxes?
Definition
30-60
Term
produced by plants & animals as waterproof coating
Definition
waxes
Term
triesters of glycerol w/ 3 fatty acids
Definition
triacylglycerols also known as triglycerides
Term
what is the major form of energy storage for animals?
Definition
triacylglycerols (triglycerides)
Term
triacylglycerol which is a solid at room temp
Definition
fat
Term
triacylglycerol which is a liquid at room temp?
Definition
oil
Term
where does fat come from?
Definition
animal sources
Term
is fat highly saturated or unsaturated?
Definition
highly saturated
Term
is oil highly saturated or unsaturated?
Definition
highly unsaturated
Term
where does oil come from?
Definition
plants
Term
used as an artifical fat
Definition
olestra
Term
olestra is _______ linked by ______ bonds to several _______
Definition
sucrose linked by ester bonds to several long chain fatty acids
Term
is olestra broken down in the intestinal tract?
Definition
no it is not broken down
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