Macromolecules
Biology 122
Genes and Development
Functional groupsin biological molecules
Carbohydrates
Polysaccharides
Nucleic acids
On the right is Friedrich Miescher’s laboratory, where DNA was discovered.
On the left is the adjacent lab of Felix Hoppe-Seyler, one of the founders of Biochemistry.
From The Scientist, Dec. 2008
DNA
• B form of DNA:
DNA at the Macromolecular Museum
Proteins
Tab. 3.2
Protein structure
Primary structure of insulin
Protein structure
Tertiary structure
Protein structure
• Proteins with the same function from different organisms have almost the same tertiary structure.
Homeodomain protein tree. Green = plants; Brown = fungi; Blue = animals
Example proteins
• T7 DNA polymerase[single subunit]
• Ruv A Recombinase[quaternary structure]
Lipids
