• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
A1983RE63700001
A1983RE63700001

... discovered that changes in intracellular concentrations of a hitherto unknown nucleotide tetraphosphate, which they designated ‘magic spot,’ are associated with the overall rate of RNA synthesis, and that the ‘stringent’ and ‘relaxed’ alleles of the RC locus have a differential effect on ‘magic spot ...
DNA, Mitosis & Meiosis
DNA, Mitosis & Meiosis

... • DNA cannot exist outside of the nucleus. It will be degraded by enzymes in the cytosol. • DNA’s “message” has to get out to the cytoplasm where proteins are made. • mRNA is used to transcribe DNA’s message. ...
Marine Bacteria and Archaea
Marine Bacteria and Archaea

... Catalytic RNA RNA – Self-replicating RNA templated translation ...
DNA Puzzle Paragraph
DNA Puzzle Paragraph

... reside on either of the two strands. Genes range in size from only a few hundred to several thousand consecutive nucleotides, depending on the size of the ______________that they code for. Genes also are generally flanked by sequences of nucleotides that act to regulate their ______________, or, in ...
- DigitalCommons@Linfield
- DigitalCommons@Linfield

...     The   central   dogma   theory   relates   how   DNA   is   transcribed   into   messenger   RNA   (mRNAs)   and   then   translated   into   proteins.   Since   the   nucleus   contains   the   majority   of   the   DNA   in   cells, ...
L27- Cloning
L27- Cloning

... 4. Find the correct clone How do we know which of all these colonies came from a cell that took up a plasmid carrying RPE65? ...
HL-SAN for DNA removal in protein purification - A4
HL-SAN for DNA removal in protein purification - A4

... The amount of HL-SAN needed for DNA removal from a cell extract or lysate depends on several factors; expression strain, target protein, lysis buffer composition, NaCl concentration, etc. The following is therefore considered as guidelines: Add 1000 U HL-SAN per ml sample with 0.3–0.75 M NaCl and in ...
Inquiry into Life Twelfth Edition
Inquiry into Life Twelfth Edition

... – Galactoside transacetylase whose function is unclear ...
Lecture 1 Introduction to Micorarrays and Concepts of Molecular
Lecture 1 Introduction to Micorarrays and Concepts of Molecular

... primers by disrupting the hydrogen bonds between complementary bases of the DNA strands, yielding single strands of DNA. Annealing step: The reaction temperature is lowered to 50-65°C for 20-40 seconds allowing annealing of the primers to the single-stranded DNA template. Typically the annealing tem ...
Lecture 27
Lecture 27

... • DNA strands are simultaneously replicated. • Takes place at replication fork - junction where the two parental DNA are pried apart and where the two daughter strands are synthesized. • Leading strand is continuously copied from the 3’ to 5’ parental template in the 5’ to 3’ direction • Lagging str ...
Simultaneous digital counting of DNA, RNA, and Protein
Simultaneous digital counting of DNA, RNA, and Protein

... SNV Assay: Genomic DNA was purified from single, 5 μM FFPE tissue sections or 25,000 cultured cells using the Qiagen AllPrep kit. Purified DNA was quantified by Qubit fluorometric assay. Exactly 5 ng sample DNA was used as input in the SNV amplification reaction. DNA integrity scores were determined ...
Temporal Regulation of RNA Polymerase II by Srb10 and Kin28
Temporal Regulation of RNA Polymerase II by Srb10 and Kin28

... Srb10 is a negative regulator of transcription in vivo. An artificial holoenzyme recruitment assay (Barberis et al., 1995; Farrell et al., 1996; reviewed in Ptashne and Gann, 1997) provides another in vivo test of the hypothesis that Srb10 is a negative regulator. Tethering of a holoenzyme component ...
Mammalian Expression Vectors Mammalian Stable Expression
Mammalian Expression Vectors Mammalian Stable Expression

... Section 11) may not (a) modify the Licensed Vectors in any way, including but not limited to replacing any protein-encoding sequence with any other protein-encoding sequence; (b) reverse-engineer, deconstruct, or disassemble the Licensed Vectors; (c) create any variant or derivative vector of the Li ...
Brooker Chapter 15
Brooker Chapter 15

... This indicates that the chromosomal DNA was in a closed conformation It was inaccessible to DNase I and was thus protected from digestion ...
Editable PPT - Science Prof Online
Editable PPT - Science Prof Online

... DNA Replication animation and review questions. DNA Replication Process animated video by FreeScienceLectures.com. DNA Replication step-through animation by John Kyrk. DNA Transcription step-through animation by John Kyrk. Transcribe & Translate a Gene, from University of Utah. DNA Transcription and ...
AP review
AP review

... located within the actual gene. Predicted positives (PP) – nucleotides, which are predicted in the gene. Sensitivity = TP / AP Specificity = TP / PP ...
DNA Technology and its Applications
DNA Technology and its Applications

... Using the technology of recombinant DNA, we are able to introduce specific genes from one organism into another. A transgenic organism is an organism that has been genetically engineered to contain 1 or more genes ...
ppt - University of Pennsylvania
ppt - University of Pennsylvania

... "Is my cDNA similar to any mouse genes that are predicted to encode transcription factors and have been localized to mouse chromosome 5?" This query illustrates several aspects of the GUS database including: ...
biological background the central dogma of molecular biology
biological background the central dogma of molecular biology

... • The promoter contains sequence elements that bind several transcription factors in combination with RNA polymerase and indicate the first base to be copied into an RNA transcript (the promoter also includes sequences involved in regulation of transcription). • Several transcription factors called ...
Epigenetics and its implications for Psychology
Epigenetics and its implications for Psychology

... Crick, and broken lines represent processes discovered later, many of them not present together in all living organism. Note that epigenetic processes involve regulation of gene transcription from DNA without modifications in its sequence, and appear to be commonly found in animal cells ...
A tightly regulated inducible expression system for
A tightly regulated inducible expression system for

... integration (Wirtz E, Clayton CE. Science 1995; 268:1179 – 1183). Because drug resistance and experimental gene expression both depended upon the activity of the regulated promoter, this approach could not be used for inducible expression of toxic products. We have now developed a dual-promoter appr ...
Abstract-Template-2016
Abstract-Template-2016

... consistent allelic dropout of one allele in every subject. It is possible that the DNA (CpG) methylation likely to occur on the imprinted allele could play a role in altering the outcome of genotyping results; however, this phenomenon alone cannot explain the pattern of allelic dropout. Therefore we ...
The Genetics of Beta-galactosidase-
The Genetics of Beta-galactosidase-

... substrates or metabolites. Before divulging the body of evidence that was used to derive the operon model, Jacob and Monod stated their conclusions up front. They concluded that: in general, enzyme systems were subject to negative control; two new types of genetic determinants, the regulator and ope ...
Abstract-Template-2017 - Queenstown Research Week
Abstract-Template-2017 - Queenstown Research Week

... consistent allelic dropout of one allele in every subject. It is possible that the DNA (CpG) methylation likely to occur on the imprinted allele could play a role in altering the outcome of genotyping results; however, this phenomenon alone cannot explain the pattern of allelic dropout. Therefore we ...
Methods S1.
Methods S1.

... databases were used to identify potential miRNA targets. In order to have more accurate prediction results, we chose the targets genes that were predicted in two out of three databases and were conserved in other species. ...
< 1 ... 145 146 147 148 149 150 151 152 153 ... 342 >

Transcriptional regulation

In molecular biology and genetics, transcriptional regulation is the means by which a cell regulates the conversion of DNA to RNA (transcription), thereby orchestrating gene activity. A single gene can be regulated in a range of ways, from altering the number of copies of RNA that are transcribed, to the temporal control of when the gene is transcribed. This control allows the cell or organism to respond to a variety of intra- and extracellular signals and thus mount a response. Some examples of this include producing the mRNA that encode enzymes to adapt to a change in a food source, producing the gene products involved in cell cycle specific activities, and producing the gene products responsible for cellular differentiation in higher eukaryotes.The regulation of transcription is a vital process in all living organisms. It is orchestrated by transcription factors and other proteins working in concert to finely tune the amount of RNA being produced through a variety of mechanisms. Prokaryotic organisms and eukaryotic organisms have very different strategies of accomplishing control over transcription, but some important features remain conserved between the two. Most importantly is the idea of combinatorial control, which is that any given gene is likely controlled by a specific combination of factors to control transcription. In a hypothetical example, the factors A and B might regulate a distinct set of genes from the combination of factors A and C. This combinatorial nature extends to complexes of far more than two proteins, and allows a very small subset (less than 10%) of the genome to control the transcriptional program of the entire cell.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report