Fatty Acids
In unsaturated fatty acids, what conformation is the double bond in? BONUS: draw the bond
cis
a glycerol backbone plus 2 fatty acids =
diglyceride
what are the 2 portions of a wax?
long fatty acid + long alcohol
Lipoprotein class that carries cholesterol from the liver to tissues
LDL
What is the difference between omega-3 and omega-6 fatty acids
The location of the double bond
IUPAC name of a 12 carbon saturated fatty acid
dodecanoic acid
DAILY DOUBLE!
What are the 2 functional groups that create the lipid ester bonds in glycerides?
Alcohol (OH) and carboxylic acid (COOH)
cerebrosides have a monosaccharide head, what are the 2 monosaccharides that can be present?
glucose or galactose
Lipoprotein class that is large, has low density, and transports lipids from the intestine to adipose tissue
Chylomicrons
What is an essential fatty acid?
A fatty acid that cannot be synthesized by the body
IUPAC name of a 16 carbon saturated fatty acid
hexadecanoic acid
Triglycerides serve as an energy source in what bodily tissue?
adipose tissue
What are 3 examples of steroid compounds?
cholesterol, testosterone, progesterone, cortisone, bile salts
Lipoprotein class that is made in the liver and transports lipids to tissues
VLDL
DAILY DOUBLE!
Which eicostnoid-regulated process are affected by NSAIDs?
Inflammatory response and GI tract functions
which type of fatty acid has a higher melting point? why?
saturated FA have higher melting point; they are tightly bound together and lack cis bonds
What glyceride lipid serves as the basis of membrane structure?
phosphoglycerides
what is a ganglioside composed of?
glycolipid with oligosaccharide group
DAILY DOUBLE!
What membrane proteins exist in the fluid mosaic model? Differentiate them
Integral proteins- embedded/extend the membrane
Peripheral proteins- loosely bound to the membrane
what are the 3 eicosanoid groups that are structurally related?
Prostaglandins, Leukotrienes, Thromboxanes
Identify at least 3 functions of lipids
energy source, energy storage, structural component, hormones, vitamins, lipid carrier, shock absorption/insulation
What are the 3 portions of a phosphoglyceride?
glycerol, fatty acid(s), phosphoric acid with amino alcohol
a glycosphingolipid is built on a ceramide, what composes a ceramide?
a sphingosine with a fatty acid
Lipoprotein class that is made in the liver and scavenge excess cholesterol esters
HDL
Draw an example of a lipid bilayer based on the relationship with water
See image