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Name: To start transcription, RNA polymerase binds to aplease explain your a
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Description: To start transcription, RNA polymerase binds to aplease explain your answer a.initiator complexb.promoter sequencec.trigger factord.Rho factore.Shine-Dalgarno sequence

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Biology

To start transcription, RNA polymerase binds to a please explain your answer a.initiator complex b.promoter sequence c.trigger factor d.Rho factor e.Shine-Dalgarno sequence

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 9TYU: A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous...

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Choose the item in column 2 that best matches each item in column 1. A. Provides information for production of protein B. Binds to promoter C. Promoter has a box A and box B consensus sequences D. Autocatalytic RNA molecules E. Associated with transcription termination F. Polymerization of ribonucleotides to form RNA molecules G. 7-methyl guanosine H. MRNA prior to processing select - 1. Core RNA polymerase select 2. rho (p) factor select 3. hnRNA select - 4. RNA select -5. RNA polymerase holoenzyme select 6. Ribozymes select - 7. 5' MRNA cap select 8. MRNA
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.
A mutation that inactivates the repressor gene of the lac operon results in (a) the continuous transcription of the structural genes (b) no transcription of the structural genes (c) the binding of the repressor to the operator (d) no production of RNA polymerase (e) no difference in the rate of transcription
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
a. The promoter is to the right so transcription goes right to left.b. This sequence 5’ AGCTACGGGGTG 3’ is a part of the template strand from the MIDDLE of gene. Write it in the middle of one of your lines. Use pencil in case of errors. c. Write the sequence of the coding strand of DNA on the other line. d. Indicate the start of transcription with an arrow like this and write “promoter” where it must be located. e. Draw a thicker (or different colored) line to indicate a strand of newly synthesized mRNA. Label 5’ and 3’ ends. By the template sequence on your diagram, write the sequence of mRNA that is produced from this template. f. In what ways are the sequences of the coding strand and the mRNA similar? g. In what ways are the coding strand and the mRNA different?
Which of the following statements are true about eukaryotic mRNA?a. The sigma factor is essential for the correct initiationof transcription.b. Processing of the nascent mRNA may begin beforeits transcription is complete.c. Processing takes place in the cytoplasm.d. Termination is accomplished by the use of a hairpinloop or the use of the rho factor.e. Many RNAs can be transcribed simultaneously fromone DNA template
After treating cells in tissue culture with an HDAC inhibitor, which of the following is the most likely outcome? A. Repression of transcription B. Promoter methylation C. Enhanced splicing D. Activation of transcription E. Depends on the cell type
Match Column A with Column B. transports amino acids to the site of protein synthesis has anticodon loop directs amino acid sequence of proteins contains the Shine-Delgarno sequence synthesized in the eukaryote nucleus found inside the ribosome region where the RNA binds to the DNA template…
Give one example of a prokaryotic system of gene expression that is more complicated (duringtranscription at the promoter) than its corresponding eukaryotic system of gene expression.A. prokaryotes require general transcription factors to initiate transcriptionB. prokaryotes typically have activator and repressor DNA sequences thousands of nucleotides awayC. prokaryotes have three classes of RNA polymerasesD. prokaryotes always have their DNA tightly packed into higher-level structures than nucleosomesE. prokaryotes usually have polycistronic mRNA
Promoters are DNA sequences a. near a transcription start site b. bound to a repressor protein c. that inhibit transcription of a gene d. that stimulate ncRNA activity
Which of the following is a sequence of DNA where transcription is initiated? a. Kozak sequence. b. TBP c. Sigma Factor d. Promoter. e. AAUAA
Describe the following a. Core enzyme RNA polymerase b. Sigma factor c. Promoter consensus sequence d. Rho Dependent Factor e. Intrinsic Factor f. Abortive Initiation