lipids Flashcards
what are lipids made of?
fatty acids containing long hydrocarbon chains attached to a hydrophilic head
saturated fatty acids
fatty acids in which all carbon atoms in the hydrocarbon chain are linked with a single covalent bond
unsaturated fatty acids
fatty acids in which 1 or more atoms in the hydrocarbon chain are linked by a double bond
a saturated fatty acid contains..
contains no double bonds in its fatty acid chain
an unsaturated fatty acid contains..
1 or more double bonds in its fatty acid chain
what are the 2 main types of fatty acids?
saturated and unsaturated fatty acids
saturated fatty acid chain has what type of structure?
straight chain
unsaturated fatty acid chain has what type of structure?
bent chain
triglyceride
3 fatty acid molecules bonded to a glycerol molecule
where can triglycerides be commonly found?
in our diet
what are triglycerides built from saturated fatty acids known as?
what are they at room temperature?
known as fats, solid at room temperature
what are triglycerides built from unsaturated fatty acids known as? what are they at room temperature?
known as oils, liquid at room temperature
a 3 carbon molecule
glycerol
the fatty acid chains in a triglyceride may be..
saturated or unsaturated
energy can be stored in the form of what?
in the form of triglycerides deposited in the cytoplasm of cells