lipids

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lipids

macromolecules grouped together they are hydrophobic

mostly hydrocarbons/nonpolar covelant bonds
saturated fat-solid
- glyerol head
- 3faty acid tails
maximum of number of hydrogens attached to each c

no bend in tails

higher meltin point tail closer together
unsaturated fat
- glycerol head
- 3fatty tails
- at least one tail has a double covelant bond between c
tails bent

low melting temperature
polyunsaturated fat

fatty tail that has more than one covelant bond between the c
phospholipids-3parts
- glycerol section
- fatty acid chain
- phosphate group
phospholipids

one end hydrophobic and end is hydrophilic
bilayer
water added self assemble into a bilayer with hydrophobic tails pointing toward he interior
- arrangement found in cell membranes
- major component of all cell membranes