Both answer please What is NOT true about the function of RNA polymerase?O its rate of activity is similar for all the templates it copiesO It interacts with activator proteinsO it interacts with repressor proteinsO It detects termination signalsO it synthesizes phosphodiester bondsWhat is NOT true about the Initiation of Transcription at Promoter Sites?promoters differ markedly in their efficacyO promoter sequences are almost always identicalO transcription is initiated at promoter sites on the DNA templateO prokaryotic promoters are often found 10 and 35 nucleotides upstream of the start siteO common prokaryotic promoters are similar to TTGACA (-35) and TATAAT (-10)Jegy

Name: Both answer please What is NOT true about the function of RNA polymera
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Description: Both answer please What is NOT true about the function of RNA polymerase?O its rate of activity is similar for all the templates it copiesO It interacts with activator proteinsO it interacts with repressor proteinsO It detects termination signalsO it

Promoter sites are short DNA sequences found in the promoter region of a gene. They act as binding…

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What is NOT true about the function of RNA polymerase? O its rate of activity is similar for all the templates it copies O It interacts with activator proteins O it interacts with repressor proteins O It detects termination signals O it synthesizes phosphodiester bonds What is NOT true about the Initiation of Transcription at Promoter Sites? O promoters differ markedly in their efficacy O promoter sequences are almost always identical transcription is initiated at promoter sites on the DNA template O prokaryotic promoters are often found 10 and 35 nucleotides upstream of the start site O common prokaryotic promoters are similar to TTGACA (-35) and TATAAT (-10)

What is NOT true about the function of RNA polymerase? O its rate of activity is similar for all the templates it copies O It interacts with activator proteins O it interacts with repressor proteins O It detects termination signals O it synthesizes phosphodiester bonds What is NOT true about the Initiation of Transcription at Promoter Sites? O promoters differ markedly in their efficacy O promoter sequences are almost always identical transcription is initiated at promoter sites on the DNA template O prokaryotic promoters are often found 10 and 35 nucleotides upstream of the start site O common prokaryotic promoters are similar to TTGACA (-35) and TATAAT (-10)

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter16: Gene Expression

Section: Chapter Questions

Problem 20RQ: A scientist mutates elF-2 to eliminate its GTP hydrolysis capability. How would this mutated form of...

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Why might repression of a eukaryotic gene by an RNA be more efficient than repression by a protein repressor? O Protein repressors only prevent the synthesis of a single splice variant of a gene. O RNA repressors bind directly to nucleotide sequences in genes, preventing their transcription. O Protein repressors are inherently unstable, so they degrade quickly and do not completely repress genes. O Synthesis of RNA repressors is less energetically costly than that of protein repressors.
What role do transcription factors play in gene expression? O The bind to the terminator region of the gene and attract the DNA helicase molecule to begin translation O They modify the gene to change how much of the gene is expressed. O They tell ribosomes when to stop producing proteins O They bind to the promoter region of the gene and attract the RNA polymerase molecule to begin transcription
What is the production of RNA called and what is the enzyme that catalyzes the process?What are the similarities and differences between the transcription process and the repli-cation processes?Concerning their biological function what is the difference between DNA and RNA? Is there any situation in which DNA is made based on a RNA template? If there is,explain with an example how it occurs and state the enzyme involved?What is the difference between plasma membrane and cell wall?
if the following DNA sequence were transcribed, which of the following describes the output of this process? 3'- TCTGGACA-5' A. This would produce a protein that looks like 5'- A G A C C U G U -3' B. This would produce a tRNA that looks like 3'- A G AC C U G U -5' C. This would produce an mRNA that looks like this: 5'- A G AC C U G U -3' D. This would produce an mRNA that looks like 3'- U C U G G A CA -5' E. This would produce another strand of DNA that 0ok like 5-AG ACCT GT-3. ..
Hydrogen bonds are important in DNA replication and transcription. They are relatively weak chemical bonds. Why is this a desirable feature for DNA? Describe the effect (s) of changing (mutating) the promoter on the transcription of the DNA strand/gene the promoter controls. What happens to protein synthesis if a nonsense codon is inserted into the gene? Explain why a point mutation does not necessarily change the original amino acid sequence. (Explain silent mutations) Choose any pentapeptide composed of five different amino acids. List the amino acids. Present one messenger RNA codon for each amino acids and the sequence of nucleotides on the DNA that originally coded for your pentapeptide.
Transcription in prokaryotes and eukaryotes is similar in that.. the MRNA produced can undergo alternative spicing both are regulated by binding of proteins to DNA near the gene being transcribed both are regulated by promoters that can be located far away from the gene both occur within the cell nucleus transcriptional machinery controls the structure of chromatin
In eukaryotes, which of the following factor likely regulates the specific association of RNA polymerase(s) to a specific gene? O mediator complex O histones RNA polymerase O enhancer
A bacterial species has a hypothetical sigma promoter that has the following sequence: TTGGCA - 18 bases - TATAAT What change in the level of transcription would there be if the sequence was mutated to: TTCGCA -18 bases -TATAAT O The mutation would bind the promoter to the consensus and produce normal levels of transcription O The mutation would inhibit the promoter thereby inhibiting transcription The mutation would move the promoter away from consensus and reduce the level of transcription O No change the consensus TATAAT sequence in the same. D00 F3 F4 F5 F6 F7 F8 F9 % & 5 6 7 8 9 %24
Arrange the processes involved from Transcription to Translation. RNA polymerase binds in the promoter regions Polypeptide cleavage Release of methionine and conversion to active protein Translocation Appearance of UAG codon Attachment of the mRNA to ribosome with AUG in the P site DNA rejoins Covalent bonding of AA to the tRNA Elongation of RNA transcript Binding of Rho factor Partial unwinding of DNA
Which of the following is a property or characteristic of eukaryotic promoters? They contain the -10 and-35 consensus sequences where RNA polymerase holoenzyme, containing the sigma factor, bind to initiate transcription. | They contain the -10 and -35 consensus sequences that are the site where general transcription factors bind to help RNA polymerase holoenzyme initiate transcription. They contain a TATA box to which sigma factors bind to help RNA polymerase core enzyme initiate transcription. O I. They are usually located far away from the gene that is being transcribed. IV. OV. A, They are bound by general transcription factors, which help RNA polymerase I, II, or III, bind to the promoter and initiate transcription.
Through alternative splicing, eukaryotes (a) reinforce gene inactivation (b) prevent transcription of heterochromatin (c) produce related but different proteins in different tissues (d) amplify genes to meet the requirement of high levels of a gene product (e) bind transcription factors to enhancers to activate transcription
Which of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleus