information transfer in eukaryotes.真核生物的信息传递 Nucleus Gene A- Exon 1 Intron 1 Exon 2 Intron 2 Exon 3 DNA Transcription Exon 1 Intron 1 Exon 2 Intron 2 Exon 3 Primary RNA Occurs in transcript RNA processing nucleus Cap and Noncoding regions tail added Introns (introns)are removed Mature AAAAA from the primary mRNA mRNA Transport to Cap before translation.The the cytoplasm mRNAs of eukaryotes are mRNA AAAAA Translation Occurs in almost always cytoplasm Poly(A)tail monocistronic.单顺反子 Protein A 2012 Pearson Education.Ine
information transfer in eukaryotes. 真核生物的信息传递 Noncoding regions (introns) are removed from the primary mRNA before translation. The mRNAs of eukaryotes are almost always monocistronic单顺反子
上帝充通大学 Shanghai Jiao Tong University How does the base sequence in DNA determine amino acid sequence in protein? Rosetta stone and decoding of genetic code Rosetta stone:The same message was inscribed in three different languages,Hieroglyphs,demotic and Greek罗塞塔石:一段文字三种 语言 The same genetic information was encoded in three forms ·DNA base sequence mRNA base sequence ·Amino acid sequence No.12 Chen Feng.Shanghai Jiao Tong University
No. 12 Chen Feng, Shanghai Jiao Tong University How does the base sequence in DNA determine amino acid sequence in protein? Rosetta stone: The same message was inscribed in three different languages, Hieroglyphs, demotic and Greek罗塞塔石:一段文字三种 语言 The same genetic information was encoded in three forms • DNA base sequence • mRNA base sequence • Amino acid sequence Rosetta stone and decoding of genetic code
充通大警 上i Shanghai Jiao Tong University 1896 1920 1987 2006 II.DNA STRUCTURE 7.2 DNA Structure:The Double Helix NGHAI JIAO TON 1日gG 双螺旋
1896 1920 1987 2006 II. DNA STRUCTURE 7.2 DNA Structure: The Double Helix 双螺旋