Discuss the two ways a bacterium can terminate transcription:  intrinsic and rho dependent.

Q: Antibiotic-resistance is one of the gravest dangers to the world’s medical system. As a result, Dr.…

A: Antibiotic resistance refers to the ability of bacteria to resist the effects of antibiotics, making…

Q: Which of the following statements about "Focused transcription initiation", "Dispersed transcription…

A: Transcription is the process by which the DNA sequence is "transcribed" into RNA sequence. It is the…

Q: Consider the Rho-dependent terminator sequence 5’CCCAGCCCGCCUAAUGAGCGGCCUUUUUUUU-3’. What affect…

A: The mutation is the change in the nucleotide sequence of the DNA. The point mutation is the mutation…

Q: Describe the findings of ribosome profiling that would show the presence of a regulatory mechanism…

A: Ribosome profiling, the profound sequencing of ribosome ensured mRNA parts,  represents a powerful…

Q: One of Dr. Peῆa’s doctoral students, Marisol, finds out there are multiple mutant forms of U…

A: Given Antibiotic-resistance is one of the gravest dangers to the world’s medical system. As a…

Q: Explain how the ncRNA known as HOTAIR plays a role in gene repression.

A: RNA (Ribo Nucleic Acid) is the genetic material found in prokaryotes and eukaryotes. It is the prime…

Q: Termination of DNA transcription in prokaryotes can be   Question 22 options:   intrinsic or…

A: Termination of transcription is the process by which RNA polymerase-catalyzed RNA synthesis on a DNA…

Q: A full-length eukaryotic gene is inserted into a bacterial chromosome. The gene contains a complete…

A: The eukaryotic DNA is composed of coding and non-coding sequences, almost 90% are non-coding…

Q: In immediate-early transcription of the phage genome, the N protein works as an antiterminator to…

A: Lambda phage is a bacteriophage which can enter either the lytic or lysogenic cycle. The…

Q: Initiation of prokaryotic transcription is primarily regulated by:   Question 1 options:   Core…

A: Transcription is the process by which the genetic information is copied from DNA to protein through…

Q: Define the following terms: Operon ORF Promoter Terminator polycistronic Oric Sigma subunit Pribnow…

A: In keeping with the guidelines of Bartleby and in order to provide correct and quality answers,…

Q: In bacteria's transcription and translation, not all RNAS and proteins are produced at the same time…

A: Due to the lack of a well-developed nucleus, E. coli DNA is found in the cytoplasm. In the centre of…

Q: Compare and contrast two mechanisms for transcriptional termination in bacteria.

A: The process of formation of the RNA strands from the DNA template by the action of an RNA polymerase…

Q: At the molecular level, describe how σ factor recognizes a bacterial promoter. Be specific about the…

A: A sigma factor is a protein needed for the initiation of protein synthesis in bacteria. Sigma factor…

Q: Explain how an E. coli cell that is deficient for proline synthesis (pro-) could become pro+ through…

A: Transduction is the specialized process of introducing a foreign DNA into a host cell, by virtue of…

Q: The mRNA used for the SARS-CoV-2 vaccine from Pfizer/BioNTech is generated in a cell-free system by…

A: The hereditary molecule deoxyribonucleic acid (DNA) transmits genetic information from one…

Q: In general, why is it important to regulate genes? Discuss examples of situations in which it would…

A: Genes are sets of nucleotides that codes for a particular protein. The genes have to be expressed…

Q: Wild-type E. coli grow best at 37oC, but can grow efficiently at temperatures up to 42oC. An E. coli…

A: Mutations is the phenomenon in which small changes in the nucleotide sequences takes place which…

Q: 11) Draw a bacterial expression vector with all required vector sequences. Be sure to label any…

A: Bacterial expression vectors are used to introduce foreign genetic material into a host in order to…

Q: control medium that demonstrates the general growth rate of mutant candidates

A: Control Medium: This medium is used to demonstrate the general growth rate of mutant candidates in…

Q: Which of the following is/are true regarding transcription initiation in bacteria? I. TFIID will…

A: To start transcribing a gene, RNA polymerase binds to the promoter region of the gene's DNA.... The…

Q: In transcription Rho-dependent termination in bacteriophage is more common than in bacteria. True…

A: Transcription is defined as the synthesis of mRNA from the template strand of DNA. The RNA…

Q: What form of lac repressor mutation might be both constitutive and trans-dominant?

A: A lac repressor is a protein that which binds to DNA and suppresses the expression of genes encoding…

Q: Outline the two ways that piRNAs and PIWI proteins inhibit transposable elements.

A: PIWI (P- element Induced Wimpy testis) are RNA (Ribonucleic acid) binding regulatory proteins. The…

Q: Four terms and statements related to gene regulatlon Match the correct term to each of the four…

A: According to the question, four terms and statements are related to gene regulation in bacteria are…

Q: List two possible reasons why a mistake during the process of replication is more of a catastrophe…

A: When a DNA (deoxyribonucleic acid) molecule (double-stranded) gets copied into two new similar…

Q: What is the composition of minimal initiation complex during transcription? TBP, TAF, TFIIA, TFIIB,…

A: In eukaryotes several transcription factors are necessary for the basal expression of an eukaryotic…

Q: Contrast the two types of transcription terminators in E.coli.

A:

Q: Explain how the Pyrococcus furiosus TrmBL1 transcriptionregulator is able to act as both an…

A: An activator is a regulator Pyrococcus furiosus substance that enhances the gene expression whereas…

Q: Please describe the procedures of initiation during transcription in bacteria.

A: Elongation of transcription begins after initiation where the dinucleotides are added to the mRNA…

Q: What advantage do alternative sigma factors have for bacterial gene expression?

A: Sigma factors are dissociable subunits of prokaryotic RNA polymerase that are required for its…

Q: Which promoter initiates which life cycle (lysogenic & Lytic)? Mention both types of promoters and…

A: Viruses reproduce by utilising a host cell to produce additional viruses, which subsequently burst…

Q: What is the regulatory region of the Trp operon that is involved in alternative transcription…

A: A set of genes known as the trp operon is discovered in the bacteria E. coli and codes for the…

Q: Which of the following is not a general description of the gene expression regulation mechanisms…

A: Gene expression regulation mechanisms helps to maintain the  rate of gene expression or to regulate…

Q: Describe how RNA primers are removed in eukaryotes.

A: DNA replication is a process in which two DNA molecules are synthesized from a single DNA molecule.…

Q: Describe the three models for RNAP active-center translocation during transcription initiation?

A: In gene expression. transcription initiation is the first and highly regulated process. In initial…

Q: Describe the procedures involving the initiation of transcription in bacteria cells

A: Bacterial transcription is the process of using the enzyme RNA polymerase to copy a section of…

Q: Why is the Mediator Complex only required for transcription in vivo but is dispensable in vitro?…

A: The Transcription is the process through which the DNA is transcribed into the RNA.    The…

Q: A full-length eukaryotic gene is inserted into a bacterial chromosome.  The gene contains a complete…

A: Transcription in eukaryotes occurs in three consequent stages that start with the initiation step,…

Q: Tabulate the similarities and differences between factor-dependent and factor-independent…

A: Transcription is the process that forms a mRNA sequence from the information encoded in the DNA…

Q: Why is an NFR needed at the core promoter for transcription to occur?

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Explain two hypothetical ways an active transposon could cause trouble for an organism.

A: DNA transposons are DNA sequences, sometimes referred to "jumping genes", that can move and…