Card Set Information
CLT2 SAIT BCHM335
Terms and concepts related to lipids
Fats are typically ___ and come from ____ while oils are typically ___ and come from ___
Fats, solid, animals
Oils, liquid, plants
The backbone of a triglyceride is
Are fatty acids typically branched?
No, they're made up of straight chain carboxylic acids
Which two fatty acids are essential to humans? Why?
Omega 3 (linolenic)
Omega 6 (linoleic)
They body cannot synthesize them, and the are used to distribute hormone-like substances that regulate body functions
Hydrolyzed by water under certain conditions
A simple lipid derived from long-chain alcohols instead of glycerol
simple lipids are made up of
fatty acids + alcohol
A triester of glycerol that is synthesized by dehydration
Olestra is a synthetic polyester of ___ and ___
sucrose and fatty acids
Complex lipids contain
at least one other compound
an alcohol (usually choline, ethanolamine, serine)
What type of glyceride is a major component of cell membranes?
A phosphoglyceride containing choline that gives the structure of cell membranes, is an emulsifying agent, and gives a smooth texture to margarine and chocolate
A phosphoglyceride containing ethanolamine or serine that is used in cell membranes, brain tissue, blood platelets and emulsifiers
Sphingolipids are ____ lipids that contain ___ (4 things)
sphingosine, fatty acid, phosphoric acid, alcohol
a complex lipid containing a sphingosine, a fatty acid and a carbohydrate
glycolipid (or cerebroside)
complex lipids that do NOT contain esters that can react with water to hydrolyze
The most abundant and important steroid in humans
Do fatty acids usually have even or odd number of carbons?
Low density lipoprotein (bad)
High density lipoprotein (good)
very low density lipoprotein
Is olestra saponifiable?