Lipids: chapter 10 Flashcards
Fatty acids are:
A precursor to prostaglandins
Higher melting point?
Longer chain, most saturated
Examples of fatty acids:
Beeswax, prostaglandins, sphingolipids, truacylglycerols
Most Lipids are composed of:
Isoprene subunits
Type of lipid that contains an ether-linked alkyl group
Platelet-activating factor
Sphingosine is not a component of:
Cardiolipin
True of sphingosine membrane lipids?
Sphingolipids include oligosaccharides in their structure
Types of sphingolipids?
Cerebrosides and gangliosides
A compound containing N-acetylneuraminic acid (sialic acid) is:
Ganglioside GM2
Fatty acids partially compose:
Cerebrosides
Structure of sterols?
4-Fused-ring structure
Not true of sterols?
Common in bacterial membranes
Polarity of cholesterol?
Amphipathic
Tay-Sachs disease is a result of a genetic defect in the metabolism of:
Gangliosides
An example of a glycerophospholipid involved in cell signaling:
Phosphatidylinositol