History Flashcards
1
Q
Isolated NUECLIN from pus (isolated DNA)
A
- Meischer
“mother meischer”
2
Q
Isolated 5 bases and identified as nucleic acid
A
- Kossel
“number = german name”
“sell 5 things”
3
Q
Nucleic acids are made of: -PO4, ribose sugar, nitogenous base
A
- Levene
“levene separated into links”
4
Q
Double helix model
A
- Koltsov
“number 2 = german name”
“u forgot this one at first”
5
Q
Transforming principle: info chromosomes transmits info in bacteria/virus
A
- Griffith
“griffins get sick too”
6
Q
Established nucleus as site of heredity
A
- Hammerling
“hammerling heredity”
“hammer first”
7
Q
DNA is probably molecule of heredity
A
- Avery, McCarty, MacLeod
“probably and 3 ppl needed lol”
“Mcdonald = stupid”
8
Q
%A = %T and %G = %C
A
- Chargaff
“percentage = german”
“chart graph”
9
Q
DNA is what carries genetic info for sure and not protein
A
- Hershey and Chase
“still needed 2 more”
“stupid and chocolate”
10
Q
Triple helix model (FAILED)
A
- Pauling
“poor pauling”
11
Q
X-ray diffraction photos showing an X pattern suggesting a double helix shape
A
- Wilkins, Gosling, Franklin
“double x, triple people”
“see ryan gosling naked thru x ray”
12
Q
Double helix shape with sugar-phosphate backbone and bases paired on the inside. A with T, C with G.
A
- Watson and Crick
