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BIOLOGI
MOLEKULER DNA
Dedicated By
Mashuri Masri, S.Si., M.Kes
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TUJUAN PEMBELAJARAN
1.Defenisi Biologi Molekuler
2. Inti Sel, Kromosom, DNA, Basa Nitrogen, Gen.
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Inti SelKROMOSOM
DNABASA
NIROGEN
AGCT
GEN
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Struktur DNA
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Kariotipe Pria
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Kariotipe Perempuan
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Karioptipe Pria Karioptipe Perempuan
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Kromosom♂
Kromosom Tubuh
22 pasang44 buah
Kromosom Seksual
1 pasang
2 buah(XY)
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Kromosom
♀
Kromosom Tubuh
22 pasang44 buah
Kromosom Seksual
1 pasang
2 buah(XX)
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• Three representations of DNA
Figure 10.3D
Ribbon model Partial chemical structure Computer model
Hydrogen bond
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inti selkromosom
DNA Gula
Pentosa
Asam
Posfat
Basa
Nitrogen
GEN
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Aturan dasar
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Bagaimana dengan virus genomRNA ??
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• A specific gene specifies a polypeptide
– The DNA is transcribed into RNA, which is
translated into the polypeptide
Figure 10.6A
DNA
RNA
Protein
TRANSCRIPTION
TRANSLATION
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Figure 10.7
DNA molecule
Gene 1
Gene 2
Gene 3
DNA strand
TRANSCRIPTION
RNA
Polypeptide
TRANSLATION
Codon
Amino acid
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Huruf kedua
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37
U C A G
Hu
ruf
Per
ta
ma
U
UUU
Fenilalanin
UUC
Fenilalanin
UUA LeusinUUG Leusin
UCU Serin
UCC Serin
UCA Serin
UCG Serin
UAU Tirosin
UAC Tirosin
UAA stop
UAG stop
UGU Sistein
UGC Sistein
UGA stop
UGG Triptofan
U
C
A
G
Hu-
ruf
Ke
Tig
a
C
CUU Leusin
CUC Leusin
CUA Leusin
CUG Leusin
CCU Prolin
CCC Prolin
CCA Prolin
CCG Prolin
CAU Histidin
CAC Histidin
CAA Glutamin
CAG Glutamin
CGU Arginin
CGC Arginin
CGA Arginin
CGG Arginin
U
C
A
G
A
AUU Isoleusin
AUCIsoleusin
AUA Isoleusin
AUG Metionin
ACU Treonin
ACC Treonin
ACA Treonin
ACG Treonin
AAU Asparagin
AAC Asparagin
AAA Lisin
AAG Lisin
AGU Serin
AGC Serin
AGA Argini n
AGG Arginin
U
C
A
G
G
GUU Valin
GUC Valin
GUA Valin
GUG Valin
GCU Alanin
GCC Alanin
GCA Alanin
GCG Alanin
GAU AsamAspartat
GAC AsamAspartat
GAA AsamGlutamat
GAG AsamGlutamat
GGU Glisin
GGC Glisin
GGA Glisin
GGG Glisin
U
C
A
G
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REFERENSI
• Triwibowo Yuwono (2005). PCR.
Yogyakarta, Penerbit Erlangga.
• Fatchiyah, Estri L.A., Sri W., Sri
R.,(2011). Biologi Molekuler, Prinsip Dasar
Analisis. Jakarta,Penerbit
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