Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Frederick Griffith |
Used streptococcus pneumoniae on mice to discover transformation which is change in genotype and phenotype due to assimilation of external DNA by a cell |
|
|
Hershey and Chase |
Used E. coli to discover that DNA functions as genetic material -- DNA is what is on genes, not proteinni |
|
|
Rosalind Franklin |
Saw DNA through X-ray defraction and discovered it is shaped into a double helix |
|
|
Purines and pyrimidines |
Purines: adenine and guanine (longer) Pyrimidines: thymine and cytosine |
|
|
Types of replication & the real one |
Conservative: the original helix stays together and you just have copies *Semi-conservative: helix separates and mixes with copies Dispersive: chunks of old and new stick together |
|
|
Meselson and Stahl |
Used E.coli to discover that DNA replication is semi-conservative |
|
|
Meselson and Stahl |
Used E.coli to discover that DNA replication is semi-conservative |
|
|
Enzymes associated with cell replication |
Topoisomerase, helicase, single-strand binding proteins, primase, RNA primer, DNA pol 3, DNA pol 1, Okazaki fragments, DNA ligase |
