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Biological Molecules - Coggle Diagram
Biological Molecules
Lipids
trait
nonpolar
does not mix with water
hydrophobic
Fats
triglycerides
glycerol + fatty acids
saturated fats
no double bonds
unsaturated fats
double bonds
function
insulation and cushioning
concentrated energy
long term energy storage
Steroids
structure
four fused rings
cholesterol base
structure
hormone building block
function
signaling
sex hormones
receptors
membrane fluidity
stabilizes structure
animal membranes
Phospholipids
structure
hydrophilic head
hydrophobic tails
glycerol + 2 fatty acids + phosphate
function
selective barrier
cell membranes
phospholipid bilayer
Polymers and monomers
Synthesis and breakdown of polymers
dehydration reaction
covalent bond forms
water removed
monomers link
hydrolysis
covalent bond breaks
water added
polymers split
Diversity of polymers
different monomers
different sequences
different shapes
different functions
four major classes
lipids
fats, phospholipids, steroids
proteins
amino acids to polypeptides
carbohydrates
sugars and polysaccharides
nucleic acids
nucleotides to DNA or RNA
macromolecules
polymers
built from monomers
repeated units