Macromolecules

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