Roles of Lipids (AQA A-Level Biology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Lipid solubility in water
Lipid solubility in water
Insoluble
Structural basis of cell membranes
Structural basis of cell membranes
Phospholipids
Energy yield: lipids vs carbohydrates (kJ/g)
Energy yield: lipids vs carbohydrates (kJ/g)
Lipids 38 kJ/g, carbohydrates 17 kJ/g
By-product when lipids oxidised
By-product when lipids oxidised
Water
Plant/insect structures reducing water loss
Plant/insect structures reducing water loss
Waxy lipid cuticles
Why fats insulate thermally
Why fats insulate thermally
Poor heat conductivity
Fat role in myelin sheaths
Fat role in myelin sheaths
Electrical insulation for rapid nerve impulses
Function of fat around organs (e.g. kidneys)
Function of fat around organs (e.g. kidneys)
Mechanical protection from physical impact
Physical state of fats at room temp
Physical state of fats at room temp
Solid
Why oils liquid at room temp
Why oils liquid at room temp
More unsaturated fatty acids