第二章 DNA重组 基因工程课件.pdf
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•Gene Engineering
2. DNA
2.1 DNA
2.2 DNA
2.3 DNA
2.4 PCR
2.5 DNA
2.6 DNA
2.7 DNA
•Gene Engineering
DNA
•Gene Engineering
2.1 DNA
2.1.1 DNA
2.1.2 DNA
2.1.3 DNA
2.1.4 DNA
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2.1.1 DNA
Nitrogenous base
Sugar
Phosphate
Nucleotides
H
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(Nucleosides)
Glycosidic (glycoside, glycosylic) bond
(
R Ribose or 2’-deoxyribose
Adenosine, guanosine, cytidine, thymidine, uridine
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(Deoxyribose)
β-2’-deoxyribose
Bases)
Bicyclic Purines:
Monocyclic
pyrimidine:
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(Nucleotides)
3` 5`2`()
Phosphate ester bonds
Deoxynucleotides Ribonucleotides
9
1’
Base Nucleoside Nucleotide
Adenine (Deoxy)adenosine (d)A (mono, di-, tri)
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