Match the activity with the enzyme/proteins. v Scans the DNA to search for the promoter region A. Sigma factors v Adds the ribonucleotide during mRNA synthesis B. Transcription initiation factors v Clears the start of the transcription C. Rho factor v Involved in the termination of transcription D. RNA Polymerase II E. Topoisomerase

Q: When bacteria are grown in the presence of high concentrations of tryptophan: O A. A repressor is…

A: Tryptophan is defined as an alpha-amino acid utilized in the biosynthesis of proteins and cannot be…

Q: The stage of transcription where mRNA is synthesized is called (a) initiation    (b) elongation…

A: TRANSCRIPTION  The Formation of RNA from the DNA is termed as Transcription. The RNA formed after…

Q: What will result from the binding of a transcription factor to an enhancer region? a. decreased…

A: Introduction: To initiate transcription in the eukaryotic cell, RNA polymerase should bind to the…

Q: mutation

A: Answer: Mutations in the promoter region resulted in a change in DNA binding pattern of the AP-2…

Q: (c) more than one protein to be produced by a gene

A: Gene can be defined as the basic physical and functional unit of heredity.

Q: Describe the effects of changing the promoter on the transcription of the DNA strand/gene the…

A: The promoter is the DNA (deoxyribonucleic acid) element that binds to the RNA (ribonucleic acid)…

Q: Alternate splicing: A. Reduces mRNA half-life by shortening poly(A) tails B. Disrupts histone…

A: Introduction In Molecular Biology, RNA Splicing Is The Process By Which A Newly Synthesised…

Q: Define the following terms: a. promoter b. consensus sequence c. operon d. chromatin-remodeling…

A: Molecular Biology is the broad term under which all these above-mentioned terms are discussed.…

Q: Post-translational modifications of proteins can affect which of the following? a. protein function…

A: When RNA has been transported to the cytoplasm, it is being translated into protein whose control is…

Q: b. The process by which the DNA instructions are converted into the functional product is called…

A: DNA m-RNA A U G C G C T A T A A U C G T A G C

Q: A TATA box (core promoter) is ____________. Group of answer choices a) None of the above b)…

A: ANSWER;- a) None of the above Explain;- A TATA box is a sequence of DNA found in the core promoter…

Q: Which statement is TRUE of the CRM (cis-regulatory module)? a) it codes for transcription factors…

A: The cis regulatory elements control gene expression at various developmental stages.

Q: Energy that drives transcription is provided mainly by_____ . a. ATP c. GTP b. RNA nucleotides d.…

A: Ribonucleic acid (RNA) is a nucleic acid found in both the nucleus and cytoplasm. It can be genetic…

Q: Which of the following phrases does not describe a function of the promoter? a. Serves as sequence…

A: DNA transcription is the process of the formation of messenger RNA(mRNA) from DNA. The genetic…

Q: What is the name of the site where RNA polymerase binds to the DNA prior to the beginning of…

A:

Q: The binding of ________ is required for transcription to start. a. a protein b. DNA polymerase c.…

A: BASIC INFORMATION  TRANSCRIPTION  it is responsible for the formation of hnRNA which has the codes…

Q: Define and describe the roles of the following in transcription: a. transcription factors b. RNA…

A: Transcription is the process where the information in a DNA strand is copied and interpreted into a…

Q: The functioning of enhancers is an example of(A) a eukaryotic equivalent of prokaryotic promoter…

A: Enhancer refers to a short region of DNA. It increases the process of transcription of a particular…

Q: The binding of iron regulatory protein (IRP) to the iron response element (IRE) in the 5′ region of…

A: The functioning of many different enzymes that are crucial for the survival of an organism require…

Q: RNA processinga. removes the exons, leaving only the introns.b. is the same as transcription.c. is…

A: Transcription is the first step of gene expression that involves the formation of RNA molecule from…

Q: All are stages in transcription EXCEPT: A chain termination. B DNase I activity on RNA…

A: Transcription is the process of conversion of RNA to proteins. It involves 3 steps initiation…

Q: A cell has a mutated mediator protein. a) How will this affect transcription of genes? (circle an…

A: Transcription factors and RNA polymerase II interact with mediator complexes. The key job of…

Q: Proteins that regulate gene expression by directly binding to the DNA are known as _____.​

A: Answer:  GENE EXPRESSION = This is the process of conversion of all stored information in DNA in to…

Q: Regulatory transcription factors can be modulated by a. the binding of small effector molecules. b.…

A: Transcription factors that bind to regulatory elements are called as regulatory transcription…

Q: Which of the following functions is NOT typically attributed to small nuclear RNA (SNRNA)? A)…

A: Ribonucleic acid is a complex of the high molecular weight molecule that participates in cellular…

Q: During transcription, the DNA can be modified by the enzyme DNA methyltransferase and will enhance…

A: Transcription can be defined as the initial step of the protein synthesis in which RNA is formed…

Q: Most transcriptional activator proteins affect transcription by interacting with a. introns. b. the…

A: Most transcriptional activator proteins affect transcription by interacting with the basal…

Q: Mutations are permanent changes in the nucleotide sequence in DNA. A point mutation is the loss or…

A: A mutation is considered a change in the DNA sequence, which can be either an addition or deletion…

Q: Which type of molecule binds at the core promoter sites in association with RNA polymerase? A…

A: RNA polymerase can attach to the polymer by only one method. This method involves binding of Basal.…

Q: Which of the following is true regarding General transcription factors? a. Act at every gene for a…

A: Transcription factors are proteins which binds to DNA, resulting in regulation of gene expression…

Q: Proteins that influence RNA synthesis by binding directly to DNA are called_____ . a. promoters c.…

A: The conversion of the DNA into the mRNA is termed as the transcription and the conversion if this…

Q: Translation can be regulated by a. translational repressors. b. antisense RNA. c. attenuation. d.…

A: The translation is the term for the synthesis of a polypeptide chain from the decoding of…

Q: A signaling pathway causes a transcription factor binding to a particular promoter. What effect does…

A: Answer- Signaling transduction is the process by which any specific external physical or chemical…

Q: Determine the advantage of regulating the binding of RNA polymerase to DNA at the promoter.

A: The synthesis of RNAs and proteins in accordance with the instructions contained in deoxyribonucleic…

Q: The heptapeptide repeat in the carboxy terminal domain (CTD) in the RPB1 subunit of RNA polymerase…

A: Answer :- Option (D) is correct. - Initiate transcription.

Q: A scientist is interested in producing flowers with a darker red color. To do this, the scientist…

A: Si RNA is a small interfering or silencing RNA, which is a non-coding, double stranded RNA molecule.…

Q: Researchers are designing and testing antisense drugs as therapies for a variety of diseases,…

A: The antisense gene therapy is a form of treatment for genetic disorders. This therapy is also…

Q: The cancer gene ras produces mRNA containing an extra exon that includes a number of UAA codons.…

A: Ras genes are genes that make proteins involved in cell signalling pathways that controls cell…

Q: you think the process could be regulated? Select all that apply: a) Before transcription begins.…

A: Gene expression is the process by which information from a gene is synthesised. The synthesis of a…

Q: Promoters are DNA sequences a. near a transcription start site b. bound to a repressor protein c.…

A: it is related to molecular biology.

Q: Which statement is CORRECT? O the primary transcript of RNA is larger than the mRNA O the primary…

A: A gene is a stretch of nucleotides present in the DNA molecule. It encodes information for the…

Q: n bacterial RNA polymerase, the sigma factor A. contains the catalytic activity of the polymerase…

A: RNA polymerase is a transcription enzyme that copies a DNA sequence into RNA. RNA polymerase…

Q: The extent to which a given gene is transcribed depends upon (A the single transcription factor…

A: Transcription is a process where DNA converted into a mRNA. It has three step initiation, elongation…

Q: In eukaryotic cells, transcription cannot begin until(A) the two DNA strands have completely…

A: The deoxyribonucleic acid (DNA) is the hereditary material that transmits the genetic information…

Q: Feedback inhibition is an example of control at the level of (a) transcription (b) translation (c)…

A: Feedback inhibition is a biological regulatory system in which the final product of an enzyme…

Q: Mechanisms that govern gene expression do not operate during______ . a. transcription c. translation…

A: Gene expression is a process in which a gene is expressed into a gene product. A gene is a piece of…

Q: General transcription factors Select an answer and submit. For keyboard navigation, use the up/down…

A: The general transcription factors bind to other proteins or to a sequence element within the…

Q: A regulatory transcription factor protein typically contains _________ that binds to the ________ of…

A: Transcription is the first step in central dogma of protein synthesis. It involves formation of…

Q: Binding of______ to_______ in DNA can increase the rate of transcription of specific genes. a.…

A: Transcription is a process in which one strand of DNA known as template strand is known as converted…

Q: Transcription factors a. help the RNA polymerase bind DNA b. are involved in chromatin remodeling,…

A: Introduction “Transcription Is The Process Of Gene Expression That Involves The Synthesis Of RNA…