DNA
Discovery of DNA
26/08/2013 21:06
The Search for the Genetic Material
Long before DNA and RNA were known to carry genetic information, scientists realized that living organisms contain some substance—a genetic material—that is responsible for the characteristics that are passed on from parent to child....
DNA Structure
25/08/2013 21:48
The Composition and Structure of DNA
What is the molecular structure of DNA?
DNA and RNA are polymers—large molecules that consist of many similar smaller molecules, called monomers, linked together. The monomers that make up DNA and RNA are nucleotides.
Each...