Transcript Slide 1

DNA – The Informational Polymer
Chargaff’s Rule:
3’
5’
A : T
G : C
Sugar- Phosphate
Backbone
Replication =
Semiconservative
5’
3’
Information Flow in a Cell
DNA
RNA
Amino Acids
In Polypeptide
Protein
FROM SEQUENCE TO FUNCTION
AUG UGG GAU ………. UGA
MET
TRP
ASP ………………END
Proteins Are The Building Blocks
Of Life

Structural
 Keratin
 Collagen

Signaling
 Hormones
 Neurotransmitters
Molecular “Motors”
 Transport

WHY MUST WE KNOW OUR
CODE?