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Description: Enhancers and silencersincrease or decrease transcription levels from the distancebind to the RNA polymeraseare essential for chain elongationare essential for termination

Science

Biology

Enhancers and silencers increase or decrease transcription levels from the distance bind to the RNA polymerase are essential for chain elongation are essential for termination

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter29: Transcription And The Regulation Of Gene Expression

Section: Chapter Questions

Problem 2P: The Events in Transcription Initiation Describe the sequence of events involved in the initiation of...

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TAN TTGC IGGAG Nanog regulatory sequence Given this interaction map which DNA sequence would the transcription factor most likely bind to? CAAGGAG ATTAACG TAATTGG TAATTGC
The Events in Transcription Initiation Describe the sequence of events involved in the initiation of transcription by E. coil RNA polymerase. Include in your description those features a gene must have for proper recognition and transcription by RNA poIymerase.
Describe transcriptional components in E. coli for each step of transcription, explain each subunit of RNA polymerase, promoter region, initiation stage, the reaction involved in elongation during RNA synthesis, any important proteins, and termination stage
3’-TCTTCGTGAGATGATATAAGAGTTATCCAGGTACCGGTAAACTGG-5’ 5’-AGAAGCACTCTACTATATTCTCAATAGGTCCATGGCCATTTGACC-3’ Write down the mRNA transcript from DNA above.
The basic of transcription include nucleosome remolding, pre-initiation, initiation, promoter clearance and elongation and termination. Describe these steps into detail including basic machinery involved, enzymatic activities and potential aberrancies that increase or decrease gene transcription
The sigma subunit of bacterial RNA polymerase ________________________. is required for the initiation of transcription binds to the RNA polymerase core enzyme must be released from the RNA polymerase for transcription to enter the elongation phase binds to the bacterial promoter sequence All of the other answers are correct.
Providing the basic information post-transcriptional modifications of RNA molecules following transcription?
DNA: 5’-CTCTACTATAAACTCAATAGGTCC-3’ Draw a box around the sequence where RNA polymerase will bind to the DNA. What is this sequence called? Will transcription start at this sequence, to the left of this sequence (“upstream”) or, to the right of this sequence (“downstream”)? Draw a small arrow above the DNA strand where transcription will begin. Which DNA strand will RNA polymerase transcribe? Highlight this strand with your highlighter. (Hint: RNA pol is similar to DNA pol because it can only make new RNA in the 5’ to 3’ direction. Draw in an arrow to show the direction that RNA polymerase will move along the DNA strand.
The Assembly of Class III Transcription Initiation Complexes consists of TATA-binding protein (TBP) TBP-associated factor (TAF) Both None
Match each of the terms in the left with the best-fitting process in the right column promoter rho initiatin codon Oric transcription initiation Origin of replication transcription initiation transcription termination translation
Cells go to great length to correctmistakes in the processes of DNAreplication, transcription, splicing,and translation. Are there analogousstrategies to correct mistakes in theselection of which genes are to beexpressed in a given cell type? Couldthe great complexity of transcriptioninitiation in animals and plants reflectsuch a strategy?
Arrange the processes involved from Transcription to Translation. RNA polymerase binds in the promoter regions Polypeptide cleavage Release of methionine and conversion to active protein Translocation Appearance of UAG codon Attachment of the mRNA to ribosome with AUG in the P site DNA rejoins Covalent bonding of AA to the tRNA Elongation of RNA transcript Binding of Rho factor Partial unwinding of DNA