lipids
- Created by: sophiagbrown
- Created on: 22-09-14 17:51
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- lipids
- fats-solids at room temp
- oils-liquid at room temp
- most common are tryglicerides
- triglycerides can be fats or oils
- tryglicerides are made from glycerol backbone and 2 fatty chains
- ester bonds are formed in condensation reactions
- saturated made up of single bonds only
- unsaturated contains double bonds between carbon atoms
- roles of llipids are waterproofing,energy source,stored as adipose tissue for protection and insulation
- phospholipids contain fatty acids,contain glycerol,and phosphate
- phosphate group is polar,will dissolve in water
- phosphate head is hydrophillic
- tail is non polar no charges and is hydrophobic (amphipatic)
- phosphate head is hydrophillic
- emulsion test for lipids
- denaturation hydrogen bonds are broken by heating
- atoms are heated to the point that the bonds break
- goes from globular to fiburous
- atoms are heated to the point that the bonds break
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