Unit 1: Chemistry of Life

(this is not a comprehensive summary, its what i personally forgot and im just repeating it now to know what to focus on)

• Cohesion = hydrogen bonds between molecules

• Adhesion = water molecules sticking to a surface

• Dehydration synthesis = adding monomers by removing water

• Hydrolysis = breaking down polymers by adding water

• Protein structures:

  • Primary structure = sequence of amino acids

  • Secondary structure = folding amino acids either in alpha-helix shape or beta-plated sheet.

  • Tertiary structure = hydrogen and ionic bonds forming between the side chains (the protein gains a shape)

  • Quaternary structure = multiple polypeptide protein chains creating one large polypeptide (famous example is hemoglobin; this happens only in some proteins)

• isotomes = Forms of atoms with a different amount of neutrons in the nucleus than the original atom

• acidic solutions contain many hydrogen ions (H+)

• basic colution contain many OH