Genetics - History

Question 1

Meischer

Answer 1

isolated nuclein in pus
- began history of DNA

Question 2

kossel

Answer 2

isolated 5 bases and identified nucleic acid
- name of DNA

Question 3

levene

Answer 3

determined nucleic acids are made of PO4, ribose (5C) sugar and n-base

Question 4

koltsov

Answer 4

double helix model
- was ROBBED!

Question 5

Griffith

Answer 5

transforming principle: chromosomes transmits info in bacteria/viruses

Question 6

hammerling

Answer 6

established nucelus as site of hereditary

Question 7

avery, mccarty, macleaod

Answer 7

dna is PROABABLY the molecule of hereditary

Question 8

chargaff

Answer 8

complementary bases are present in equal amounts

Question 9

hershey and chase

Answer 9

confirmed dna carries genetic info and not protein

Question 10

pualing

Answer 10

triple helix model (failed)

Question 11

wilkins, gosling and franklin

Answer 11

SUGGESTED double helix model after seeing x-ray diffraction pics

Question 12

watson and crick

Answer 12

double helix model with sugar-phosphate backbone and bases paired on the inside as A-T and C-G