'Rna polymerase binds' diaporamas de présentation

Chapter 10: Transcription in Bacteria

Chapter 10: Transcription in Bacteria. Few proteins have had such strong impact on a field as the lac repressor has had in Molecular Biology. Michael Lewis, Comptes Rendus Biologies (2005), 328:521. 10.1 Introduction.

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Chapter 8 Major Shifts in Prokaryotic Transcription

Chapter 8 Major Shifts in Prokaryotic Transcription.

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Do Now

Do Now. Match above. A court reporter types out a transcript of the court proceedings. What does the underlined word mean?. RNA. Objectives. SWBAT describe the 3 types of DNA. SWBAT describe the central dogma of biology SWBAT compare transcription in the prokaryote and eukaryote.

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Chapter 17

Chapter 17. From Gene to Protein. DNA structure = double helix DNA sugar = deoxyribose DNA bases = A, T, C, & G A T C T C G A G T C G A T T A G A G C T C A G C T A. DNA. RNA structure = usually single stranded RNA sugar = ribose

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Chapter Eleven Transcription of the Genetic Code: The Biosynthesis of RNA

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Chapter 17

Chapter 17. From Gene to Protein. Overview: The Flow of Genetic Information. The information content of DNA is in the form of specific sequences of nucleotides along the DNA strands The DNA inherited by an organism leads to specific traits by dictating the synthesis of proteins

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Chapter 6 Transcription

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Chapter 16 Gene regulation in Prokaryotes

Chapter 16 Gene regulation in Prokaryotes. Gene expression is controlled by regulatory proteins. Regulatory proteins: positive regulators, or activators ; and negative regulators, or repressors .

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IV. Translation

IV. Translation. IV. Translation. (3) Translation termination i. When a ribosome comes to a nonsense codon (or stop codon, usually one of UAA, UAG and UGA), translation stops and polypeptide is released from ribosome.

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?????????? (Microbial Genetics and Biotechnology)

?????????? (Microbial Genetics and Biotechnology). ???? ????? ??? ??. Bacterial gene expression and its regulation. Gene: DNA region that carry the information for synthesis of RNA or RNA and protein. 2. Codon: each 3 nucleotides on DNA or RNA.

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Ecclesiastes 3:1

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Human chromosomes: 50->250 million base pairs. Average gene: 3000 base pairs.

Human chromosomes: 50->250 million base pairs. Average gene: 3000 base pairs. <5% of DNA codes for protein. Regulatory region. Coding region. What is a Gene?. DNA. Short stretch of DNA on chromosome. Two parts : Information in genes used to make proteins. Two Stages:

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Protein Synthesis

Protein Synthesis. Transcription, RNA processing & Translation. An Overview. Overview web video. An Overview. Background Evidence (2.6.6). George Beadle and Edward Tatum formulated the 1 gene - 1 enzyme hypothesis.

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Molecular Genetics

Molecular Genetics. Part 1: DNA. Types of organic molecules. ___________________________ Sugars ___________________________ Fatty acids and glycerol chains ___________________________ Amino acid chains ___________________________ Deoxyribose and Ribose. Where located. Inside _________

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RNA and Transcription

RNA and Transcription. DNA and Protein Synthesis. Coding for Genes. Gene ? are coded DNA instructions that control the production of proteins within the cell The first step is to copy a part of the nucleotide sequence from DNA into RNA. RNA. RNA ? ribonucleic acid, nucleotide

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Gene Expression: Replication, Transcription, Translation

Gene Expression: Replication, Transcription, Translation. From DNA to Protein. Replication:Where does it take place?. Eukaryotic cells? Where are the DNA located? So where does it take place? Prokaryotic Cells? Where are the DNA located? So where does it take place?. How does it work?.

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Protein Synthesis Overview

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Chapter 12 and 13: Transcription and Translation Lecture 12 October 28, 2003

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Module 7 : Nucleic Acids and Proteins

Module 7 : Nucleic Acids and Proteins. 7.3 Transcription. 7.3.1 State that transcription is carried out in a 5' ? 3' direction. 7.3.2 Distinguish between the sense and antisense strands of DNA.

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