lipids Flashcards
what are the properties of lipids
insoluble in water
what are lipids made of
carbon, hydrogen and oxygen
lipids are one of the four classes of………….
macromolecules
describe what is meant by a saturated fatty acid
linked by only single bonds so every carbon atom has made 4 bonds and they are ‘saturated’ in hydrogenslinear so pack closely
what do saturated acids form and give examples
solidsanimal fats - fat on meat, butter, lard
describe what is meant by unsaturated fatty acids
double bonds between carbon atoms forms kinks in molecules
what is polyunsaturated
2 or more double bonds
what is meant by monounsaturated
one double bond
what bonds form between monoglycerides
ester bonds
what do unsaturated fatty acids form
liquidsplant oils
what is triglyceride
glycerol and 3 fatty acids with ester bonds
what is a phospholipid
one glycerol with a phosphate group and two fatty acids with ester bonds
how can polyglycerides be broken down
hydrolysis
what does LDL stand for
low density lipoproteins
what does LDL cholesterol in the body do
deposits cholesterol
