Chemistry Reference
In-Depth Information
HO
OH
CH
2
O
R
R
O
N
H
HO
P
OH
+
+
H
2
H
H
H
Purine or
Pyrimidine Base
OH
OH
Phosphoric Acid
2-Deoxyribose
Components of DNA
O
Phosphoric Acid
(5'-Phosphate)
HO
P
H
O
OH
-
R
R
O
P
O
R
R
CH
2
N
HO
O
N
CH
2
O
-
O
H
H
H
2
H
H
H
2
H
H
OH
OH
A Nucleoside
A Nucleotide
Components of Nucleic Acids
DNA Only
DNA and RNA
RNA Only
NH
2
O
O
NH
2
O
H
3
C
H
H
H
N
N
N
N
N
N
N
N
N
H
N
N
H
O
N
NH
2
N
H
O
N
H
O
H
Thymine
Adenine
Guanine
Cytosine
Ucacil
HO
HO
OH
O
OH
CH
2
CH
2
O
O
H
H
H
HO
P
OH
C
H
2
H
H
H
OH
H
OH
OH
OH
Phosphate
2-Deoxyribase
Ribose
FIGURE 7.17
The building blocks of DNA and RNA.
7.5 RNA AND PROTEIN SYNTHESIS
The genetic information stored in DNA molecules is used as a blueprint for mak-
ing proteins. These macromolecules have diverse primary, secondary, and tertiary
structures that allow them the ability to function and maintain integrity of the liv-
ing organism.
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