Which of the following is the site for the start of transcription? a. Promoter b. Terminator...
Which of the following is the site for the start of transcription?
a. Promoter
b. Terminator
c. Regulation sequences
d. Transcription factors
e. All of the answers may start transcription
Homework Answers
Please find the answer below:
Which of the following is the site for the start of transcription
Answer: a. Promoter
Explanation: Transcription is a process where the DNA sequence of the gene is copied to RNA. During the process of initiating transcription, there is binding of RNA polymerase to the gene's DNA at a site, called Promoter. It is the Promoter that informs the polymerase, the place where it binds to the DNA and starts the process of transcription. Therefore transcription begins when the RNA polymerase binds to promoter near the beginning of a gene.
Transcription terminator marks the end of a gene during the transcription process. Transcription factors are proteins involved in the process of conversion of DNA into RNA.
Add Answer to:
Which of the following is the site for the start of
transcription?
a. Promoter
b. Terminator...
Copy of Shown below is a plasmid containing several labeled sequences. Multi-cloning site (CS) Transcription terminator...
Copy of Shown below is a plasmid containing several labeled sequences. Multi-cloning site (CS) Transcription terminator Promoter TATA box original replication a) Based on the sequences it contains, is this plasmid intended for gene expression in eukaryotes or prokaryotes? How do you know? (3 pts) b) Based on your answer to part A, describe the promoter & terminator regions in a little more detail. What is a consensus sequence you would expect in the promoter? And what sorts of sequences...
Identify the statements that are features of a promoter. Pick all that Apply. A. In eukaryotes,...
Identify the statements that are features of a promoter. Pick all that Apply. A. In eukaryotes, the promoter recruits the preinitiation complex, which includes the TATA-binding protein. b. In prokaryotes, the promoter is recognized by general transcription factors (GTF), which recruit the RNA polymerase holoenzyme. c. In eukaryotes, the promoter attracts the small and large ribosomal subunits with the help of initiation factors. d. In prokaryotes, the promoter contains a –35 and –10 region upstream of the transcription start site...
8. In transcription, A) mRNA is synthesized from DNA B) the starting point of synthesis is...
8. In transcription, A) mRNA is synthesized from DNA B) the starting point of synthesis is the promoter site C) RNA polymerase binds to the promoter during initiation D) the ending point of synthesis is the terminator site E) All of the above The tryptophan (trp) operon is actively transcribed (i.e. gene expression occurs) A) when there is excess tryptophan in the cell. B) when there is a lack of tryptophan in the cell. C) constitutively because the trp operon...
Draw a Eukaryotic Gene Schematic Draw features of importance at the DNA level Transcription start site...
Draw a Eukaryotic Gene Schematic Draw features of importance at the DNA level Transcription start site +1 Promoter - as much detail as you can Gene start ATG and stop codons Transcription Regulatory Sequences such as activators/repressors and enhancers/insulators Draw features of importance at the pre-mRNA level Designate Introns and Exons Designate important Sequences to direct and regulate splicing three important sequences for the chemistry of splicing splicing regulatory sequences (ISS, ISE, ESE, ESS) Modifications at level of pre-mRNA UTRs,...
Can someone please help me answer these questions. Thank you! Eukaryotic transcription signals a) This drawing shows the placements of the four main sequences of the eukaryotic core promoter for RNA...
Can someone please help me answer these questions. Thank
you!
Eukaryotic transcription signals
a) This drawing shows the placements of the four main sequences of
the eukaryotic core promoter for RNA polymerase II. Identify each
one and give a brief explanation
b) Which sequences are used in a DPE-driven promoter?
c) Which ones are used in a TATA-driven promoter?
d) Please draw and describe the steps as the transcription factors
work with eukaryotic RNA polymerase II to start transcription of...
Which of the following statements concerning transcription in bacteria is FALSE? It occurs in the nucleoid...
Which of the following statements concerning transcription in bacteria is FALSE? It occurs in the nucleoid region. RNA polymerase recognizes promoter regions. RNA polymerase initiates transcription at the START codon. The terminator region shows when gene transcription should end. All of the above are true.
Below is a diagram of a transcription unit and the mRNA made from the transcription unit:...
Below is a diagram of a transcription unit and the mRNA made from the transcription unit: A H TTGACA DNA TATAAT -35 B -10 С D - Start codon Stop codon mRNA 5' 3' E F G Is this a prokaryotic or eukaryotic transcription unit? prokaryotic What is the name of the cofactor required for RNA polymerase to bind to the promoter? Which letters on the above diagram correspond to the following structures? Promoter Pribnow box Non-template strand Transcriptional start...
Draw a typical prokaryotic gene with its promoter and terminator. Draw the primary transcript Label (using...
Draw a typical prokaryotic gene with its promoter and terminator. Draw the primary transcript Label (using letters) all the parts (including sites of consensus sequences) in both the gene and the mRNA. Indicate what the ‘letters stand for. (Use the line drawing below). What proteins are involved in transcription initiation, elongation and termination in prokaryotic genes. +1 5’ ________________________________________________________________ 3’ 3’ ________________________________________________________________ 5’
VERY EMERGENCE B. In prokaryotes, there are consensus sequences before transcription start site on DNA and...
VERY EMERGENCE B. In prokaryotes, there are consensus sequences before transcription start site on DNA and also before start codon in mRNA. Name these different consensus sequences and briefly describe their functions. (5 marks) ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ C. “When the energy charge in cell decreases, protein synthesis will slow down”. Explain this statement by listing the key steps affected. (5 marks) ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________________________________________________________________________________________________________
Choose all that apply to the initiation of transcription Promoter segments Ribosome tRNA DNA polymerase Transcription...
Choose all that apply to the initiation of transcription Promoter segments Ribosome tRNA DNA polymerase Transcription factors Question 25 (4 points) Saved Choose all the molecules that are used in transcription: a) primase b) DNA c) nucleotides d) RNA polymerase e) SSB (single strand binding protein)
Copy of Shown below is a plasmid containing several labeled sequences. Multi-cloning site (CS) Transcription terminator Promoter TATA box original replication a) Based on the sequences it contains, is this plasmid intended for gene expression in eukaryotes or prokaryotes? How do you know? (3 pts) b) Based on your answer to part A, describe the promoter & terminator regions in a little more detail. What is a consensus sequence you would expect in the promoter? And what sorts of sequences...
Draw a Eukaryotic Gene Schematic Draw features of importance at the DNA level Transcription start site +1 Promoter - as much detail as you can Gene start ATG and stop codons Transcription Regulatory Sequences such as activators/repressors and enhancers/insulators Draw features of importance at the pre-mRNA level Designate Introns and Exons Designate important Sequences to direct and regulate splicing three important sequences for the chemistry of splicing splicing regulatory sequences (ISS, ISE, ESE, ESS) Modifications at level of pre-mRNA UTRs,...
Can someone please help me answer these questions. Thank
you!
Eukaryotic transcription signals
a) This drawing shows the placements of the four main sequences of
the eukaryotic core promoter for RNA polymerase II. Identify each
one and give a brief explanation
b) Which sequences are used in a DPE-driven promoter?
c) Which ones are used in a TATA-driven promoter?
d) Please draw and describe the steps as the transcription factors
work with eukaryotic RNA polymerase II to start transcription of...
Which of the following statements concerning transcription in bacteria is FALSE? It occurs in the nucleoid region. RNA polymerase recognizes promoter regions. RNA polymerase initiates transcription at the START codon. The terminator region shows when gene transcription should end. All of the above are true.
Below is a diagram of a transcription unit and the mRNA made from the transcription unit: A H TTGACA DNA TATAAT -35 B -10 С D - Start codon Stop codon mRNA 5' 3' E F G Is this a prokaryotic or eukaryotic transcription unit? prokaryotic What is the name of the cofactor required for RNA polymerase to bind to the promoter? Which letters on the above diagram correspond to the following structures? Promoter Pribnow box Non-template strand Transcriptional start...
Choose all that apply to the initiation of transcription Promoter segments Ribosome tRNA DNA polymerase Transcription factors Question 25 (4 points) Saved Choose all the molecules that are used in transcription: a) primase b) DNA c) nucleotides d) RNA polymerase e) SSB (single strand binding protein)
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