Modern Genetics - Scientists Flashcards
1
Q
Griffith
A
Used two strains of pneumococcus bacteria (one kills mice = s, one was harmless = r)
Live harmless bacteria (R) * dead bacteria (S) = harmful (pathogenic) bacteria
2
Q
Chargaff
A
Chargaff’s Rule: the amounts of C=G and A=T
3
Q
Hershey and Chase
A
- virus are made of protein coat with DNA/RNA on the inside
- viruses attach to cells and injection DNA
4
Q
Rosalind Franklin
A
- took x ray pics of DNA
- DNA shows circular pattern from certain angles
5
Q
Watson and crick
A
- two chains wrapped around each other (double helix)
- hydrogen bonds hold together strands
- two strands are complementary
6
Q
Miescher
A
Found a white substance in nuclei from human pus and fish sperm…thought it was only structural
