Help answer question How does finP inhibit TraJ from activating expression of the tra genes?It basepairs with the traJ message and prevents translationO It is a transcriptional repressor that binds to the operator and prevents traJ expressionIt is an inducer molecule that inhibits TraJIt is a transcriptional activator

Here both FinO and FinP play important role TraJ, is controlled by the action of the antisense RNA,…

How does finP inhibit TraJ from activating expression of the tra genes? O It basepairs with the traJ message and prevents translation It is a transcriptional repressor that binds to the operator and prevents traJ expression It is an inducer molecule that inhibits TraJ It is a transcriptional activator

How does finP inhibit TraJ from activating expression of the tra genes? O It basepairs with the traJ message and prevents translation It is a transcriptional repressor that binds to the operator and prevents traJ expression It is an inducer molecule that inhibits TraJ It is a transcriptional activator

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 10TYU: Which of the following is an example of positive control? (a) transcription occurs when a repressor...

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Control of gene expression in eukaryotic cells occurs at which level(s)? a. only the transcriptional level b. epigenetic and transcriptional levels c. epigenetic, transcriptional, and translational levels d. epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels
Which of the following is an example of positive control? (a) transcription occurs when a repressor binds to an inducer (b) transcription cannot occur when a repressor binds to a corepressor (c) transcription is stimulated when an activator protein binds to DNA (d) a and b (e) a and c
Binding or ___ to ___ in DNA can increase the rate of transcription of specific genes. a. activators; repressors b. activators; enhancers c. repressors: operators d. repressors: enhancers
When tryptophan binds to trp repressor, this causes trp repressor to__________ to the trp operator and ________ transcription.a. bind, inhibitb. not bind, inhibitc. bind, activated. not bind, activate
What does this expression mean? DNA → RNA→ Protein A DNA first turns into RNA; then the RNA turns into a protein. B The information in a DNA molecule is used to make an RNA molecule; then the information in the RNA is used to build a protein. C A cell passes through a phase where it has only DNA, then only RNA, then only protein.
Is each of the following statements true or false? A. An enhancer is a type of regulatory element. B. A core promoter is a type of regulatory element. C. Regulatory transcription factors bind to regulatory elements. D. An enhancer may cause the down regulation of transcription.
What is the role of general transcription factors? GTFs bind to enhancers or silencers and regulate transcription GTFs bind to the core promoter and allow transcriptional initiation GTFs are cis-acting regulatory sequences GTFs regulate the length of the mRNA GTFs are part of the RNA polymerase II holoenzyme, and control transcription initiation
Which of the following is NOT true about cis-regulatory elements (CREs)? Group of answer choices Enhancers, silencers and promotors can be located anywhere in relation to the gene Enhancers are involved with increasing gene expression CREs often contain motifs that allow transcription factors to bind CREs are involved in determining the timing, location and amount of gene expression
Signal molecules from embryonic cells cause transcriptional changes in nearby target cells in the process called_________ Induction Pattern formation Gene regulation Transcription
85__________ is the sequence motif located downstream from the Inr core promoter motif. A.BREb.basal boxc.DPFD.TATA box 86In transcription the nontemplate DNA strand, also known as the anti coding or nonsense strand. Yesorno 87Short RNA molecules can regulate gene expression. Yesorno
Which of the following mechanisms may be involved when PRC1complexes silence gene expression?a. The compaction of nucleosomesb. The attachment of ubiquitin to histone proteinsc. The direct inhibition of transcription factors, such as TFIIDd. Any of the above may be involved in silencing of gene expressionby PRC1 complexes.
A transcriptional activator protein regulates gene expression in a) cisb) trans