Galactose Operon PowerPoint PPT Presentations

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lac operon PowerPoint PPT Presentation
lac operon - TATA box. DNA (a) Little or no transcription. Enhancer. DNA. TATA box. Activator (transcription factor) (b) High rate of transcription. Figure 13-10 ...
TATA box. DNA (a) Little or no transcription. Enhancer. DNA. TATA box. Activator (transcription factor) (b) High rate of transcription. Figure 13-10 ...
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the Lac operon continued PowerPoint PPT Presentation
the Lac operon continued - 'Modeling network dynamics: the lac operon, a case study' ... Bacteriophage l. corona virus. HIV. smallpox. influenza. Attractive, but nasty.... Lysis ...
'Modeling network dynamics: the lac operon, a case study' ... Bacteriophage l. corona virus. HIV. smallpox. influenza. Attractive, but nasty.... Lysis ...
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The lac Operon PowerPoint PPT Presentation
The lac Operon - Negative control: repressor protein present which prevents ... The repressor is an allosteric protein that can be activated by binding to a small molecule ...
Negative control: repressor protein present which prevents ... The repressor is an allosteric protein that can be activated by binding to a small molecule ...
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L1 The lac operon PowerPoint PPT Presentation
L1 The lac operon - The structural genes (any gene other than a regulator) for enzymes involved in a ... sfactors to RNA polymerase can confer a new promoter specificity on the enzyme ...
The structural genes (any gene other than a regulator) for enzymes involved in a ... sfactors to RNA polymerase can confer a new promoter specificity on the enzyme ...
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The Lac Operon 1961, Jacob and Monod E. coli and other bacteria PowerPoint PPT Presentation
The Lac Operon 1961, Jacob and Monod E. coli and other bacteria - The Lac Operon 1961, Jacob and Monod E. coli and other bacteria Bacterial Genes Many genes constitutively expressed housekeeping genes Other genes are more ...
The Lac Operon 1961, Jacob and Monod E. coli and other bacteria Bacterial Genes Many genes constitutively expressed housekeeping genes Other genes are more ...
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The lac Operon PowerPoint PPT Presentation
The lac Operon - inducer (usually a small molecule) is needed to allow initiation of transcription. ... -galactosidase (cleaves lactose into glucose and galactose) ...
inducer (usually a small molecule) is needed to allow initiation of transcription. ... -galactosidase (cleaves lactose into glucose and galactose) ...
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The LAC Operon PowerPoint PPT Presentation
The LAC Operon - Mostly metabolic pathways - breaking things down for energy e.g. lac operon ... the lac operon will be 'off' if glucose and lactose are available ...
Mostly metabolic pathways - breaking things down for energy e.g. lac operon ... the lac operon will be 'off' if glucose and lactose are available ...
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The Operon: A Group of Genes Whose Expression is Coordinated by an Operator PowerPoint PPT Presentation
The Operon: A Group of Genes Whose Expression is Coordinated by an Operator - The Operon: A Group of Genes Whose Expression is Coordinated by an Operator. By Francois Jacob, David Perin, Carmen Sanchez, and Jacques Monod ...
The Operon: A Group of Genes Whose Expression is Coordinated by an Operator. By Francois Jacob, David Perin, Carmen Sanchez, and Jacques Monod ...
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REGULATION OF TRANSCRIPTION IN PROKARYOTES PowerPoint PPT Presentation
REGULATION OF TRANSCRIPTION IN PROKARYOTES - REGULATION OF TRANSCRIPTION IN PROKARYOTES. CLEAVAGE OF LACTOSE TO. GALACTOSE AND GLUCOSE ... IPTG IS A GRATUITOUS' lac. OPERON INDUCER. WEAVER: FIG. 7.2 & 7.4 ...
REGULATION OF TRANSCRIPTION IN PROKARYOTES. CLEAVAGE OF LACTOSE TO. GALACTOSE AND GLUCOSE ... IPTG IS A GRATUITOUS' lac. OPERON INDUCER. WEAVER: FIG. 7.2 & 7.4 ...
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The%20lac%20operon PowerPoint PPT Presentation
The%20lac%20operon - The lac operon An example of positive and negative regulation of gene expression
The lac operon An example of positive and negative regulation of gene expression
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Prokaryotic Gene Regulation Bio 101A PowerPoint PPT Presentation
Prokaryotic Gene Regulation Bio 101A - Prokaryotic Gene Regulation Bio 101A Operon structure and function * * Is this: Anabolic or Catabolic? Positive or negative? Inducible or repressible?
Prokaryotic Gene Regulation Bio 101A Operon structure and function * * Is this: Anabolic or Catabolic? Positive or negative? Inducible or repressible?
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CONTROLLING GENE EXPRESSION: REGULATION PowerPoint PPT Presentation
CONTROLLING GENE EXPRESSION: REGULATION - We will be using the lac operon (a series of three genes linked together) to ... The lac operon is a prokaryotic ... THE LAC OPERON AND ITS BIOCHEMICAL ROLE ...
We will be using the lac operon (a series of three genes linked together) to ... The lac operon is a prokaryotic ... THE LAC OPERON AND ITS BIOCHEMICAL ROLE ...
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The need for gene regulation PowerPoint PPT Presentation
The need for gene regulation - In absence of lactose the lac operon is. repressed - only a few copies of b-gal ... Mutations in I gene (upstream of lac. operon) or operator cause constitutive ...
In absence of lactose the lac operon is. repressed - only a few copies of b-gal ... Mutations in I gene (upstream of lac. operon) or operator cause constitutive ...
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Human Genetics PowerPoint PPT Presentation
Human Genetics - What is lactose & where do we find it? Carbohydrate, disaccharide, glucose galactose; dairy ... Grasshopper. XY. XX. Birds. XX. XY. Human. Female. Male ...
What is lactose & where do we find it? Carbohydrate, disaccharide, glucose galactose; dairy ... Grasshopper. XY. XX. Birds. XX. XY. Human. Female. Male ...
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Gene Regulation PowerPoint PPT Presentation
Gene Regulation - Tryptophan operon in E.coli and Salmonella ... So as levels of tryptophan increase the enzyme binds to the operator turning it ' ...
Tryptophan operon in E.coli and Salmonella ... So as levels of tryptophan increase the enzyme binds to the operator turning it ' ...
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Control mechanisms PowerPoint PPT Presentation
Control mechanisms - lactose a disaccharide found in milk, composed of glucose and galactose ... If lactose is not present the production of the enzyme is blocked ...
lactose a disaccharide found in milk, composed of glucose and galactose ... If lactose is not present the production of the enzyme is blocked ...
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Regulation of Gene Expression in Prokaryotes PowerPoint PPT Presentation
Regulation of Gene Expression in Prokaryotes - ... is the inducer molecule responsible for the increased production of ... The positive control system turn on the expression of the operon ensuring that ...
... is the inducer molecule responsible for the increased production of ... The positive control system turn on the expression of the operon ensuring that ...
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Thanksgiving Dinner PowerPoint PPT Presentation
Thanksgiving Dinner - You will soon be eating tons of turkey, a rich source of tryptophan. ... Allolactose, an isomer of lactose, which is present in small amounts, controls that lac operon ...
You will soon be eating tons of turkey, a rich source of tryptophan. ... Allolactose, an isomer of lactose, which is present in small amounts, controls that lac operon ...
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Regulation of Gene expression PowerPoint PPT Presentation
Regulation of Gene expression - This learning object has been funded by the European Commissions FP6 BioMinE project ... gene lacZ : b-galactosidase splits lactose into glycose galactose ...
This learning object has been funded by the European Commissions FP6 BioMinE project ... gene lacZ : b-galactosidase splits lactose into glycose galactose ...
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Upper Strand Sequences of E.coli promoters PowerPoint PPT Presentation
Upper Strand Sequences of E.coli promoters - 4. CAP must release from lac promoter DNA ... Terminator. 1-2. 3-4. 2-3. Anti-Terminator. Prevents formation. of 3-4 stem loop. trp operon: summary ...
4. CAP must release from lac promoter DNA ... Terminator. 1-2. 3-4. 2-3. Anti-Terminator. Prevents formation. of 3-4 stem loop. trp operon: summary ...
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Summary of Transcriptional Regulation PowerPoint PPT Presentation
Summary of Transcriptional Regulation - ... of the CRP-cAMP complex bound ... also subject to POSITIVE regulation, by CRP in the presence of cAMP ... to the activity of CRP which activates lac operon in ...
... of the CRP-cAMP complex bound ... also subject to POSITIVE regulation, by CRP in the presence of cAMP ... to the activity of CRP which activates lac operon in ...
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Regulation of Gene Expression in Prokaryotes PowerPoint PPT Presentation
Regulation of Gene Expression in Prokaryotes - Regulation of Gene Expression in Prokaryotes * * How Prokaryotes Regulate How Their Genes are Expressed Possible points of regulation: 1. Block transcription of the ...
Regulation of Gene Expression in Prokaryotes * * How Prokaryotes Regulate How Their Genes are Expressed Possible points of regulation: 1. Block transcription of the ...
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MB 206 : Module 1 - B PowerPoint PPT Presentation
MB 206 : Module 1 - B - Regulation of Gene Expression in Bacteria Angelia Teo Jan 09
Regulation of Gene Expression in Bacteria Angelia Teo Jan 09
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Chapter 12 DNA PowerPoint PPT Presentation
Chapter 12 DNA - Chapter 12 DNA & RNA Section 12 5 Gene Regulation Gene Regulation How Does A Cell Know? Which Gene To Express & Which Gene Should Stay Silent?
Chapter 12 DNA & RNA Section 12 5 Gene Regulation Gene Regulation How Does A Cell Know? Which Gene To Express & Which Gene Should Stay Silent?
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Controlling Gene Expression PowerPoint PPT Presentation
Controlling Gene Expression - Controlling Gene Expression Timothy G. Standish, Ph. D.
Controlling Gene Expression Timothy G. Standish, Ph. D.
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Controlling Gene Expression PowerPoint PPT Presentation
Controlling Gene Expression - Controlling Gene Expression Timothy G. Standish, Ph. D.
Controlling Gene Expression Timothy G. Standish, Ph. D.
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XII. Gene Regulation PowerPoint PPT Presentation
XII. Gene Regulation - XII. Gene Regulation
XII. Gene Regulation
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Regulation of Gene Expression in Prokaryotes PowerPoint PPT Presentation
Regulation of Gene Expression in Prokaryotes - Expression blocked by a repressor that can be inactivated by a small molecule called an inducer ... to be expressed in inducible fashion with lactose as inducer ...
Expression blocked by a repressor that can be inactivated by a small molecule called an inducer ... to be expressed in inducible fashion with lactose as inducer ...
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Microbial Genetics PowerPoint PPT Presentation
Microbial Genetics - Encodes repressible anabolic enzymes involved in the production of the amino acid arginine ... in the arginine biosynthetic pathway. In the absence of arginine ...
Encodes repressible anabolic enzymes involved in the production of the amino acid arginine ... in the arginine biosynthetic pathway. In the absence of arginine ...
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Genetics of Viruses and Bacteria PowerPoint PPT Presentation
Genetics of Viruses and Bacteria - Title: Lecture #8 Date _____ Author: Chris Hilvert Last modified by: CCSD Created Date: 11/1/2000 3:32:59 PM Document presentation format: On-screen Show (4:3)
Title: Lecture #8 Date _____ Author: Chris Hilvert Last modified by: CCSD Created Date: 11/1/2000 3:32:59 PM Document presentation format: On-screen Show (4:3)
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The%20Central%20Dogma%20of%20Molecular%20Biology PowerPoint PPT Presentation
The%20Central%20Dogma%20of%20Molecular%20Biology - The Central Dogma of Molecular Biology REPLICATION Development of multicellular organisms Totipotency Patterns of gene expression Gene structure What is required for ...
The Central Dogma of Molecular Biology REPLICATION Development of multicellular organisms Totipotency Patterns of gene expression Gene structure What is required for ...
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Microbial Genetics PowerPoint PPT Presentation
Microbial Genetics - Lactose induces enzyme expression by binding to the LacI repressor preventing ... Glucose is more rapidly metabolized than lactose, and is a preferred carbon source ...
Lactose induces enzyme expression by binding to the LacI repressor preventing ... Glucose is more rapidly metabolized than lactose, and is a preferred carbon source ...
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Regulation of Gene Expression PowerPoint PPT Presentation
Regulation of Gene Expression - Chapter 18 Regulation of Gene Expression
Chapter 18 Regulation of Gene Expression
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Gene Regulation PowerPoint PPT Presentation
Gene Regulation - ????????????????????????????????? ????????????????????? ??????? ... J.B. Gurdon ????? Afarican clawed toad ???????????????????????? ????????????????????????? ...
????????????????????????????????? ????????????????????? ??????? ... J.B. Gurdon ????? Afarican clawed toad ???????????????????????? ????????????????????????? ...
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REVIEW SESSION PowerPoint PPT Presentation
REVIEW SESSION - REVIEW SESSION Wednesday, September 15 5:30 PM SHANTZ 242 E
REVIEW SESSION Wednesday, September 15 5:30 PM SHANTZ 242 E
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Control%20of%20Gene%20Expression%20in%20Bacteria PowerPoint PPT Presentation
Control%20of%20Gene%20Expression%20in%20Bacteria - Control of Gene Expression in Bacteria Gene Regulation and Information Flow: an overview Metabolizing Lactose A Model System: multiple genes, classes of mutants ...
Control of Gene Expression in Bacteria Gene Regulation and Information Flow: an overview Metabolizing Lactose A Model System: multiple genes, classes of mutants ...
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Translation PowerPoint PPT Presentation
Translation - Translation mRNA exits the nucleus through the nuclear pores In the cytoplasm, it joins with the other key players to assemble a polypeptide. The other parts of the ...
Translation mRNA exits the nucleus through the nuclear pores In the cytoplasm, it joins with the other key players to assemble a polypeptide. The other parts of the ...
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Gene Regulation PowerPoint PPT Presentation
Gene Regulation - Gene Regulation Gene Regulation in Prokaryotes the Jacob-Monad Model certain genes are transcribed all the time constitutive genes synthesis of some proteins ...
Gene Regulation Gene Regulation in Prokaryotes the Jacob-Monad Model certain genes are transcribed all the time constitutive genes synthesis of some proteins ...
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Ch. 10 Notes DNA: Transcription and Translation PowerPoint PPT Presentation
Ch. 10 Notes DNA: Transcription and Translation - Ch. 10 Notes DNA: Transcription and Translation GOALS Compare the structure of RNA with that of DNA Summarize the process of transcription Relate the role of codons ...
Ch. 10 Notes DNA: Transcription and Translation GOALS Compare the structure of RNA with that of DNA Summarize the process of transcription Relate the role of codons ...
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Topic 4 Simple Organic Chemistry PowerPoint PPT Presentation
Topic 4 Simple Organic Chemistry - It binds to DNA sequence of operator, prevents binding of RNA polymerase to promoter. ... Methylation of DNA bases promotes condensation while acetylation of histone ...
It binds to DNA sequence of operator, prevents binding of RNA polymerase to promoter. ... Methylation of DNA bases promotes condensation while acetylation of histone ...
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Molecular genetics of bacteria PowerPoint PPT Presentation
Molecular genetics of bacteria - Molecular genetics of bacteria Gene regulation and regulation of metabolism ... transfer of DNA via a virus. More common, but still requires close relative.
Molecular genetics of bacteria Gene regulation and regulation of metabolism ... transfer of DNA via a virus. More common, but still requires close relative.
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Freeman 1e: How we got there PowerPoint PPT Presentation
Freeman 1e: How we got there - ... 1957 Illustration humoristique des cours par une s rie de dessins de F. Lavall L gendes de Georges Cohen * Figure: ...
... 1957 Illustration humoristique des cours par une s rie de dessins de F. Lavall L gendes de Georges Cohen * Figure: ...
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Summary of Transcriptional Regulation PowerPoint PPT Presentation
Summary of Transcriptional Regulation - the 'coding' strand of a gene has the same sequence as the RNA produced BUT it ... nomenclature 1 = first transcribed. nucleotide ...
the 'coding' strand of a gene has the same sequence as the RNA produced BUT it ... nomenclature 1 = first transcribed. nucleotide ...
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Gene Regulation Section 12 PowerPoint PPT Presentation
Gene Regulation Section 12 - Gene Regulation Section 12 5 This section explains how some genes in prokaryotes and eukaryotes are controlled. Gene Structure Gene Regulation: Where does RNA ...
Gene Regulation Section 12 5 This section explains how some genes in prokaryotes and eukaryotes are controlled. Gene Structure Gene Regulation: Where does RNA ...
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Control of Gene Expression in Bacteria PowerPoint PPT Presentation
Control of Gene Expression in Bacteria - 2. Press velvet-covered block against master plate. Some cells transfer from plate to block. ... Velvet-covered block. Lactose only. Replica plate. Lactose only ...
2. Press velvet-covered block against master plate. Some cells transfer from plate to block. ... Velvet-covered block. Lactose only. Replica plate. Lactose only ...
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Transcription PowerPoint PPT Presentation
Transcription - Transcription Central Dogma Genes Sequence of DNA that is transcribed. Encode proteins, tRNAs, rRNAs, etc.. Housekeeping genes encode proteins or RNAs that are ...
Transcription Central Dogma Genes Sequence of DNA that is transcribed. Encode proteins, tRNAs, rRNAs, etc.. Housekeeping genes encode proteins or RNAs that are ...
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Regulation of Gene Expression PowerPoint PPT Presentation
Regulation of Gene Expression - Regulation of Gene Expression
Regulation of Gene Expression
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Bistability in gene networks PowerPoint PPT Presentation
Bistability in gene networks - bistable. monostable. monostable. initial LOW state. initial HIGH state. Mapping the bistable region as a function of TMG and glucose concentration. Ozbudak et al. ...
bistable. monostable. monostable. initial LOW state. initial HIGH state. Mapping the bistable region as a function of TMG and glucose concentration. Ozbudak et al. ...
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regulation PowerPoint PPT Presentation
regulation - seoul subway. tokyo subway. pyrimidine pathway. protein pathway. from DNA to pathways ... programmed cell applications. biological cell programming. biological ...
seoul subway. tokyo subway. pyrimidine pathway. protein pathway. from DNA to pathways ... programmed cell applications. biological cell programming. biological ...
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Introduction to DNA Sequencing PowerPoint PPT Presentation
Introduction to DNA Sequencing - Introduction to DNA Sequencing. 2. Determine which base ... containing mutated lacZ. F' Episome. Trans-Complementation. E. coli. D(lacZ)M15. Non-Functional ...
Introduction to DNA Sequencing. 2. Determine which base ... containing mutated lacZ. F' Episome. Trans-Complementation. E. coli. D(lacZ)M15. Non-Functional ...
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Summary of Transcriptional Regulation PowerPoint PPT Presentation
Summary of Transcriptional Regulation - Used extensively for mapping contact points between promoter sequences and RNA ... keratin in skin and hair follicle cells. muscle actin and myosin in muscle cells ...
Used extensively for mapping contact points between promoter sequences and RNA ... keratin in skin and hair follicle cells. muscle actin and myosin in muscle cells ...
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SIGNAL TRANSDUCTION PowerPoint PPT Presentation
SIGNAL TRANSDUCTION - SIGNAL TRANSDUCTION
SIGNAL TRANSDUCTION
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Chapter 16 Regulation of Gene expression PowerPoint PPT Presentation
Chapter 16 Regulation of Gene expression - Regulation makes sense- the bacteria/cell does the logical, intelligent thing ... The enzyme that produces cAMP (adenyl cyclase), is inhibited by allosteric ...
Regulation makes sense- the bacteria/cell does the logical, intelligent thing ... The enzyme that produces cAMP (adenyl cyclase), is inhibited by allosteric ...
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Distinguish between positive and negative transcriptional regulation PowerPoint PPT Presentation
Distinguish between positive and negative transcriptional regulation - Title: PowerPoint Presentation Author: Dan Gottschling Last modified by: Steve Libby Created Date: 2/4/2006 7:47:44 PM Document presentation format
Title: PowerPoint Presentation Author: Dan Gottschling Last modified by: Steve Libby Created Date: 2/4/2006 7:47:44 PM Document presentation format
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The genetic map of bacteriophage l PowerPoint PPT Presentation
The genetic map of bacteriophage l - Enhancers and enhancer-binding proteins activate transcription reminiscent of ... to 2 enhancers and RNA polymerase II bound to the promoter and the ...
Enhancers and enhancer-binding proteins activate transcription reminiscent of ... to 2 enhancers and RNA polymerase II bound to the promoter and the ...
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Defects in gene regulation can alter PowerPoint PPT Presentation
Defects in gene regulation can alter - Activator binds to DNA sites called enhancer to enhance. the RNA polymerase activity. ... enhancer in higher eukaryotes, upstream activator sequences (UASs) in yeast. ...
Activator binds to DNA sites called enhancer to enhance. the RNA polymerase activity. ... enhancer in higher eukaryotes, upstream activator sequences (UASs) in yeast. ...
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