Biology Study Guide 1

Celeste Grantham

Characteristics of water

  • Cohesion: water is attracted to water
  • Adhesion: water is attracted to other substances
  • Boiling Point: liquid water turns high in tempature
  • A seven on the pH scale (neutral)
  • Hydrogen Bond

Macromolecules

Macromolecules are large molecules made of of smaller organic molecules. There are four classes of macromolecules.

  • Carbohydrates
  • Proteins
  • Lipids
  • Nucleic Acids

Carbohydrates

  • Function: provides energy