生物化学:生物化学_第五章 核酸(第9周-1).pdf
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Biochemistry
Chapter 5 Nucleic Acid
第五章 核酸
欧⽥苗
Email: outianm@mail.sysu.edu.cn
Date: 2014-11-18
Composition, Structure, and
Properties of Nucleic Acids
Nucleic acids are composed of
bases, sugars, and phosphates.
The major form of DNA is B-DNA
(double helix), while RNA exists as
a single strand.
Hydrogen bonds are the foundation
of chains recognition.
Denaturation and renaturation
occur in DNA strands.
2014.11.18
V. Biological Functions of Nucleic Acids
Transmission and Expression
of Genetic Information
2014.11.18
(I) The Flow of Genetic Information
中⼼法则Central Dogma
l 复制(Replication)DNA指
导下的DNA 自身的合成。
1. Genetic
information
passes from
parents to
daughters.
2. Growth and
development from
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