'Rna polymerases' diaporamas de présentation

Welcome Each of You to My Molecular Biology Class

Welcome Each of You to My Molecular Biology Class. Molecular Biology of the Gene, 5/E --- Watson et al. (2004). Part I: Chemistry and Genetics Part II: Maintenance of the Genome Part III: Expression of the Genome Part IV: Regulation Part V: Methods. Part III: Expression of the Genome.

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Molecular Biology

Molecular Biology. Part I: Chemistry and Genetics Part II: Maintenance of the Genome Part III: Expression of the Genome Part IV: Regulation Part V: Methods. Part III: Expression of the Genome. Ch 12: Mechanisms of transcription Ch 13: RNA splicing Ch 14: Translation

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Chapter 12

Chapter 12. Mechanisms of Transcription. 04 ??????? 200431060048 ????. The Central Dogma. DNA RNA Protein. transcription. translation. replication.

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Chapter 11 Transcription

Chapter 11 Transcription. Transcription. The synthesis of RNA molecules using DNA strands as the templates so that the genetic information can be transferred from DNA to RNA. Similarity between replication and transcription. Both processes use DNA as the template .

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Chapter12 Mechanisms of Transcription

Chapter12 Mechanisms of Transcription. ??? 04 ????? 200431060178. The Central Dogma: transcription translation DNA RNA PROTEIN Transcription is the first step of the expression of the genome !. mRNA transcript.

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Transcription and RNA Processing

Transcription and RNA Processing. OVERVIEW OF TRANSCRIPTION The first stage in the expression of genetic information is transcription of the information in the base sequence of a ds DNA to form the base sequence of a ss RNA.

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Introduction to Transcriptional Machinery

Introduction to Transcriptional Machinery. "DNA makes RNA, RNA makes protein, and proteins make us." Francis Crick. Central Dogma of Molecular Biology. RNA Polymerase of E. Coli. Transcribes all mRNA, rRNAs and tRNAs 7,000 molecules per cell

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????????????????. ??????????????. ???????????? ?????????? DNA ???????? RNA ??????? ??????????????????? ????????? ???????????. ????????? ???????????? ???????. ??????????????. ?? ? DNA polymerase(s) ?? ?????? RNA polymerase(s) DNA ????????????? ? HU, DnaB helicase SiR ( ????????

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Molecular Biology in Medicine ???????

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Part 7: Gene Structure and Function

Part 7: Gene Structure and Function. Genes and gene expression The important role of RNA in gene expression Transcription and the genetic code Transcription in eukaryotes Translation Eukaryotic gene expression: a review. The E. coli Chromosome. Genes and Gene Expression.

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Biochemistry 201 Biological Regulatory Mechanisms January 24, 2013

Biochemistry 201 Biological Regulatory Mechanisms January 24, 2013 Mechanism of transcription elongation References I. General Chapter 12 of Molecular Biology of the Gene 6 th Edition (2008) by Watson, JD, Baker, TA, Bell, SP, Gann, A, Levine, M, Losick, R. 377-414. Evolution

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Transcription: information transfer from DNA to RNA

Transcription: information transfer from DNA to RNA. The information encoded by DNA is transcribed into RNA information of RNA is translated into proteins Transcription (RNS synthesis) is carried out by RNA polymerases

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From Gene to Protein

From Gene to Protein. Chapter 17. The Central Dogma of Molecular Biology. Dogma: (n), [ dawg -muh] a specific tenet or doctrine authoritatively laid down. The central dogma of molecular biology. REPLICATION (= make more DNA before cell divides). DNA ? RNA ? Protein. TRANSCRIPTION

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Transcription

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Protein Synthesis-Transcription

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TRANSCRIPTION

TRANSCRIPTION. DNA. Transcription. mRNA. Ribosome. Translation. Protein. DNA ? RNA ? Protein. Transcription. DNA is copied into messenger RNA (mRNA) by an enzyme called RNA polymerase in the nucleus mRNA is identical to DNA except Thymine (nucleotide) is replaced by Uracil

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Transcription

Transcription. May, 2013. The Central Dogma. DNA. Transcription. R NA. Translation. Protein. Transcription. Process in which cells make a copy of their genetic instructions DNA into RNA. Revisiting RNA. Uracil. Steps. Initiation. Elongation. Termination. Modification. Initiation.

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Transcription & Translation

Transcription & Translation. Assessment Statements. 3.5.1 Compare the structure of RNA and DNA. 3.5.2 Outline DNA transcription in terms of the formation of an RNA strand complementary to the DNA strand by RNA polymerase.

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Comparing Prokaryotes & Eukaryotes

Nuclear envelope. DNA. TRANSCRIPTION. DNA. TRANSCRIPTION. Pre-mRNA. RNA PROCESSING. mRNA. mRNA. Ribosome. TRANSLATION. Polypeptide. TRANSLATION. Ribosome. (a) Bacterial cell. Polypeptide. (b) Eukaryotic cell. Comparing Prokaryotes & Eukaryotes.

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