文档介绍：DNA structure
Chromosomes
DNA replication in bacteria
DNA replication in eukaryotes
F DNA structure and replication
Bases
Nucleosides
Nucleotides
3’,5’- phosphodiester bonds
DNA sequence
DNA double helix
F1 DNA structure
1
2
3
4
5
6
9
7
8
Adenine
A
Guanine
G
Purines
bases
1
2
3
4
5
6
uracil
U
cytosine
C
thymine
T
PYRIMIDINES
NUCLEOSIDES
1’
2’
3’
4’
5’
(OH)
1’
2’
3’
4’
5’
(OH)
假尿苷(ψ)
次黄苷(肌苷)I
黄嘌呤核苷 X
二氢尿嘧啶核苷 D
取代核苷的表示方式
7-甲基鸟苷 m5G
5
OH
Adenosine Guanosine Cytidine Uridine
NUCLEOSIDES
7-Methylguanylate
NUCLEOTIDES
H
H
H
H
H
H
H
H
H
AMP
ADP
ATP
NUCLEOTIDES
cAMP
cGMP