Structure of DNA Flashcards
1
Q
What are the 3 parts of a nucleotide?
A
Phophate
Sugar
Nitrogen base
2
Q
What are the 4 nitrogen bases in DNA?
A
Thymine
Adenine
Cytosine
Guanine
3
Q
What are the base pairing rules?
A
A-T
C-G
4
Q
What type of bonds hold nucleotides to each other?
A
Hydrogen bonds
5
Q
What type of bonds hold the sides of DNA together?
A
Covalent
6
Q
Why would the bonds that hold the nucleotides together be weaker than what holds the sides together?
A
Because during replication and transcription the Nucleotides must be split apart.
7
Q
What is the shape of DNA?
A
Double Hilix
