1
Hydroxyl group
Polar, H-bonds
-ol names, ethanol
2
Carbonyl group
polar
Sugar with ketone or aldehyde
3
Carboxyl group
polar
Acid
Donates (H+)
includes a carbonyl and hydroxyl groups attached to a single carbon
4
Amino group
Base
Accepts (H+)
amine
5
Sulfhydryl group
Cross link of S-S
Protein Bridges
slightly acidic
6
Phosphate group
Reacts with water
releases energy
polar
important component in nucleotides
stores the energy in ATP
7
Methyl group
non-polar
hydrophobic
Expression of genes
shape and function