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GENETICS:ANALYSIS+PRIN.(LL)-W/ACCESS
6th Edition
ISBN: 9781260239775
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 12.2, Problem 3COMQ
Sigma
factor is needed during which stage(s) of transcription?
a. Initiation
b. Elongation
c. Termination
d. All of the above
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Students have asked these similar questions
Which statement/s is/are TRUE about transcription?A. During transcription, DNA polymerase binds to RNA and separates the DNA strands.B. RNA polymerase uses one strand of DNA as a template to assemble nucleotides into a strand of RNA.C. RNA polymerase binds only to DNA promoters, which have specific base sequences.D. Promoters are signals in RNA that indicate to RNA polymerase where to begin transcription.E. Transcription occurs in the 3’ to 5’ direction with respect to the growing mRNA strand.
Which of the following is not true regarding gene regulation that involves DNA bending?
a. The precise distance between the regulatory sequence and the promoter is important.
b. Effect can be to repress transcription
c. Effect can be to activation transcription
d. Regulated genes can be thousands of base pairs away from the regulatory sites
Which of the following activities DOES NOT happen during the initiation stage of
transcription?
A. Use of RNA polymerase.
B. Detection of TATA-box
C. Attachment of transcription factors
D. Addition of G' Cap and Poly-A tail
A section of DNA has the following sequence of nitrogenous bases: CGATTACAG.
Which of the following sequence would be produced as a result of transcription?
A. CGTUUTCTG
B. GCTAATGTC
C. CGAUUACAG
D. GUAAUGUC
Chapter 12 Solutions
GENETICS:ANALYSIS+PRIN.(LL)-W/ACCESS
Ch. 12.1 - 1. Which of the following base sequences is used...Ch. 12.1 - Prob. 2COMQCh. 12.2 - With regard to a promoter, a transcriptional start...Ch. 12.2 - Prob. 2COMQCh. 12.2 - 3. Sigma factor is needed during which stage(s) of...Ch. 12.2 - A uracil-rich sequence occurs at the end of the...Ch. 12.3 - Which RNA polymerase in eukaryotes is responsible...Ch. 12.3 - Prob. 2COMQCh. 12.3 - Prob. 3COMQCh. 12.3 - Prob. 4COMQ
Ch. 12.4 - Which of the following are examples of RNA...Ch. 12.4 - A ribozyme is a. a complex between RNA and a...Ch. 12.4 - Prob. 3COMQCh. 12.4 - Prob. 4COMQCh. 12.5 - 1. Which of the following is not a key difference...Ch. 12 - Prob. 1CONQCh. 12 - Prob. 2CONQCh. 12 - Prob. 3CONQCh. 12 - Prob. 4CONQCh. 12 - 5. Mutations in bacterial promoters may increase...Ch. 12 - Prob. 6CONQCh. 12 - 7. In Chapter 9, we considered the dimensions of...Ch. 12 - 8. A mutation within a gene sequence changes the...Ch. 12 - Prob. 9CONQCh. 12 - At the molecular level, describe how factor...Ch. 12 - Prob. 11CONQCh. 12 - What is the complementarity rule that governs the...Ch. 12 - 13. Describe the movement of the open complex...Ch. 12 - 14. Describe what happens to the chemical bonding...Ch. 12 - Prob. 15CONQCh. 12 - Prob. 16CONQCh. 12 - Prob. 17CONQCh. 12 - Mutations that occur at the end of a gene may...Ch. 12 - If the following RNA polymerases were missing from...Ch. 12 - 20. What sequence elements are found within the...Ch. 12 - 21. For each of the following transcription...Ch. 12 - 22. Describe the allosteric and torpedo models for...Ch. 12 - Which eukaryotic transcription factor(s) shown in...Ch. 12 - 24. The initiation phase of eukaryotic...Ch. 12 - A eukaryotic protein-encoding gene contains two...Ch. 12 - 26. Describe the processing events that occur...Ch. 12 - Prob. 27CONQCh. 12 - Prob. 28CONQCh. 12 - Prob. 29CONQCh. 12 - Prob. 30CONQCh. 12 - 31. In eukaryotes, what types of modifications...Ch. 12 - Prob. 32CONQCh. 12 - Prob. 33CONQCh. 12 - 34. Figure 12.21 shows the products of alternative...Ch. 12 - 35. The processing of ribosomal RNA in eukaryotes...Ch. 12 - Prob. 36CONQCh. 12 - Prob. 37CONQCh. 12 - After the intron (which is in a lariat...Ch. 12 - Prob. 1EQCh. 12 - 2. Chapter 21 describes a technique known as...Ch. 12 - Prob. 3EQCh. 12 - As described in Chapter 21 and in experimental...Ch. 12 - Prob. 5EQCh. 12 - Prob. 6EQCh. 12 - 1. Based on your knowledge of introns and pre-mRNA...Ch. 12 - Discuss the types of RNA transcripts and the...
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- Which of the following is a sequence of DNA where transcription is initiated? a. Kozak sequence. b. TBP c. Sigma Factor d. Promoter. e. AAUAAarrow_forwardWhich of the following are steps of transcription? Select all that apply. a.RNA polymerase assembles a strand of mRNA complementary to the noncoding strand of DNA. b.RNA polymerase binds to a gene’s promoter. c.RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA. d.RNA polymerase moves over the gene and unzips the double helix to form a “transcription bubble.”arrow_forwardWhat is the direction of the growth of newly synthesized RNA chain during transcription? options: A. 5'-to-3' direction. B. 3'-to-5' direction. C. Both A and B D. Neither A nor Barrow_forward
- What is the central component of a transcription initiation complex? a. DNA polymerase b. RNA polymerase c. DNA d. RNA e. RNAiarrow_forwardWhich of the following are steps of transcription? Select all that apply. A. RNA polymerase binds to a gene’s promoter. B. RNA polymerase moves over the gene and unzips the double helix to form a “transcription bubble.” C. RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA. D. RNA polymerase assembles a strand of mRNA complementary to the noncoding strand of DNA.arrow_forwardAssembly of transcription initiation complexes is mainly controlled by? a. Promotors b. Activators c. Repressors d. Suppressors e. B & Carrow_forward
- Which of the following is/are not necessary for transcription to occur? A. Promoter region B. Terminator region C. Start codon D. Stop codonarrow_forwardWhat is one function of TFIIH during transcription? a. Recruiting the TATA-box binding protein to the TATA-box. b. Terminating transcription via factor-dependent termination. c. Capping the 5' end of mRNA with 7-methylguanylate. d. Phosphorylating the CTD of RNA polymerase.arrow_forwardDefine the following terms: a. promoter b. consensus sequence c. operon d. chromatin-remodeling complex e. general transcription factorsarrow_forward
- Which of the following base sequences is used during transcription? a. Promoter and terminator b. Start and stop codons c. Ribosome-binding site d. Both a and barrow_forwardTo which part of DNA do the eukaryotic transcription factors bind? a. promoter regions enhancers O b. O C. AUG (the first codon) O d. operator Oe. DNA intronsarrow_forwardWhich of the following is least related to the other items? A. RNA Polymerase B. transcription factors C. start codon D. enhancerarrow_forward
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