Biology Ch. 11

Griffith

worked with different strains of bacteria in mice that lead to discovery of DNA

Avery

worked off Griffith's experiment and said genetic info was involved

Hershey and Chase

discovered DNA was the genetic info - radioactive tracer

Watson and Crick

discovered DNA was a double helix

DNA (nucleotide)

made up of a phosphate group, sugar, and a nitrogen base

G

C bonds with

A

T bonds with

4 types of nitrogen bases

Adenine, Thymine, Cytosine, Guanine

DNA copies itself

in the process of Replication

DNA polymerase

seperates the double strands and replication of complimentary base pairs copies the DNA template