Polar (hydrophilic)
Tyrosine, Asparagine, Glutamine, lysine, Arginine, Histidine, Cysteine, Serine, Threonine, Aspartic acid, Glutamic acid
Nonpolar (hydrophobic)
Alanine, Valine, Leucine, Isoleucine, Glycine, Phenylalanine, Tryptophan, Methionine, Proline
Polar (hydrophilic) contains
contain Nitrogen and Oxygen
non polar (hydrophobic) contains
Carbon and hydrogen
strong and weak bonds
Covalent Bonds (Strongest)
Ionic Bonds (Strong but weaker than covalent)
Hydrogen Bonds (Weak individually)
Van der Waals Interactions (Weakest)
peptide bonds
phosphodiester bonds
Peptide bonds in proteins
Phosphodiester bonds in DNA and RNA
cation/anion
Cation:
Definition: A positively charged ion
How it forms: Loses electrons
Anion:
Definition: A negatively charged ion
How it forms: Gains electrons
four types of water
Cohesion: water molecules stick to each other
Adhesion: water molecules stick to other substances
(Due to hydrogen bonding between water molecules)
hydrogen bonding
Due to hydrogen bonding between water molecules
Capillary action
Surface tension
Meniscus
