DNA Hybridisation Flashcards
1
Q
What makes up DNA and RNA?
A
Phosphate, pentose sugar and nitrogenous base
2
Q
Name the pyrimidine nucleotides
A
Cystosine, Thymine
3
Q
Name the purine nucleotides
A
Guanine, Adenine
4
Q
What is the significance of Uracil in RNA?
A
It substitutes Thymine
5
Q
Describe the bonding between nucleotide bases in DNA
A
Hydrogen bonds between oppositely charged groups (amine and carboxyl groups)
6
Q
How many bonds are there between complementary base pairs in DNA?
A
Guanine - Cytosine (3)
Adenine - Thymine (2)
