L1: Genes and DNA Flashcards
1
Q
Who performed S strain R strain experiment
A
Frederick Griffith
2
Q
Who discovered that gene is made of DNA
A
Oswald Avery
3
Q
What is DNA made of
A
Base + Pentose + Phosphate
- Adenine
- Thymine
- Cytosine
- Guanine
4
Q
Who discovered the shape of DNA
A
Watson and Crick
5
Q
Bonding between bases
A
A=T (double hydrogen bond)
C=- G (triple hydrogen bond)
6
Q
Organisation of DNA into chromosome
A
DNA double helix coiled onto histone octamer —> 10nm nucleosome
Nucleosome stabilised by H1 histone —> 30nm solenoid
Looped onto protein scaffold
Coiled into chromosome
