Term
Whats it called when you have both polar and non polar regions? |
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Definition
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Term
Name all classes of lipids |
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Definition
Waxes, isoprene based lipids (steriods), fatty acids, triacylgcerols, Glycerophospholipids, sphingolipids |
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Term
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Definition
Are rarely found free and are composed of an even number of carbon (carboxy included) |
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Term
How is the short hand convention used |
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Definition
#C:#Db (delta x) ex; 18:1 (delta 9) |
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Term
Name off the saturated fats from lowest carbon to highest |
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Definition
Lauric acid, Myristic acid, Palmitic acid, Stearic acid, Arachidic acid |
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Term
Acronym for saturated fats
and # of Carbons |
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Definition
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Term
All saturated fats have what in there shorthand ? |
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Definition
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Term
Acronym for unsaturated fatty acids and numbering for #C, #Db |
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Definition
POLAYA 16,18,18,18,18,20 1:1:2:3:3:4 |
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Term
Postion of double bonds in Unsaturated fats |
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Definition
P-9 O-9 L-9,12 A-9,12,15 Y-6,9,12 A-5,8,11,14 |
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Term
Spell out the unsaturated fatty acids |
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Definition
POLAYA Palmitoleic acid, Oleic Acid, Linoleic acid, alpha-Linoleic Acid, gamma-Linoleic acid, Arachidonic acid |
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Term
Suffix used in Saturated fatty acids? Unsaturated Fatty acids? |
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Definition
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Term
what are the three things that you ask for to classify or id fatty acid |
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Definition
acryonym, #C, #Db, position of double bond |
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Term
What does the sum of the postion of double bonds on Arachidonic acid give you |
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Definition
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Term
Kinks in the bilary are caused by what and do they entail on fluidity and Melting point |
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Definition
Kinks are caused by cis double bonds in alkyl chain of fatty acids, and they reduce vand derwaals interaction in membrane. resulting in a increase in membrane fluidity and a deacreas in Melting point |
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Term
Essential Fatty acids for mammals |
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Definition
Linoleic and y-linolenic acid (gamma) |
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Term
Essential Fatty acids for plants |
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Definition
Linoleic acid , y-Linoliec acid Archidonic acid |
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Term
One function of fatty acids |
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Definition
serve as precursors for eicosanoids |
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Term
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Definition
hormonelike effects on procceses example (progastglandins) |
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Term
which oil is the healthiest |
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Definition
Canola oil high poly low saturated |
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Term
Who and how are trans fatty acids made ? Where could they be found |
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Definition
Bacteria form them via double bond migration and isomerization in ruminants, butter, milk and cheese. the meat of these animals have some transfat as a result. Processed fats (ex. margarine) made by partial hydrogenation contain various trans fat aswell |
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Term
Structure of TAG triacyglycerol |
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Definition
glycerol with 3 fatty acids esterfied |
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Term
If all fatty acids are the same in TAG its called? if one or more are different? |
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Definition
simple triacylgycerol mixed triacylglycerol |
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Term
Mono and diacyl glycerols ? |
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Definition
can be found but are rare |
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Term
why are TAG a major energy source |
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Definition
1- highly reduced 1g=38kj vs 1g=17 kj (proteins and carbohydrates) 2- efficent packing (highly anhydrous) |
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