Homework Answers
Answer:
False statement is:more eukaryotes have regulatory sites that are close to their promoters.
Hence,option (b) is correct answer.
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O binding to estrogen and preventing it from binding to its receptor and exerung 7. Which...
what are the other answers if any of the following key differences between prokaryotic and eukaryotic...
what are the other answers if any
of the following key differences between prokaryotic and eukaryotic transcription are TRUE? Check all that apply prokaryotic transcription occurs in the cytoplasm, while eukaryotic transcription occurs in the nucleus eukaryotic transcription is carried out by 1 RNA polymerase, while prokaryotic transcription is carried out by 3 different RNA polymerases eukaryotic transcripts are processed, while prokaryotic transcripts are translated while transcription is still occurring prokaryotes have sigma factors for specificity of binding whereas eukaryotes...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling provides the transcription machinery with dynamic access to an otherwise tightly packaged genome. O b. Chromatin remodeling often involves histone modifications (e.g., methylation). O c. Eukaryotes use chromatin remodeling as a mechanism for epigenetic modifications. O d. Prokaryotes use chromatin remodeling to regulate operon activity. O e. Chromatin remodeling plays a central role in the regulation of gene expression.
Match each term associated with genes and control of gene expression with the appropriate description. A...
Match each term associated with genes and control of gene expression with the appropriate description. A transcriptional unit" that consists of promoter multiple genes under the control of a single regulatory element. A transcriptional regulatory protein (prokaryotic or eukaryotic) which works by turning on or increasing gene transcription. activator The region of a gene to which RNA polymerase binds. Enhancer A transcriptional regulatory protein prokaryotic or eukaryotic) which works by turning off or decreasing gene transcription. repressor A molecule that...
Question 2a If the DNA template 5′- ATGGATGC -3′ is transcribed to RNA, the RNA would...
Question 2a If the DNA template 5′- ATGGATGC -3′ is transcribed to RNA, the RNA would be best described as... a. 3′- TACCTACG -5′. b. 5′- ATGGATGC -3′. c. 5′- AUGGAUGC -3′. d. 5′- UACCUACG -5′. e. 3′- UACCUACG -5′. Question 2b Which answer best summarizes how eukaryotic and bacterial RNA polymerases are different? a. Eukaryotes have several types of multimeric RNA polymerases, whereas bacteria only have one monomeric RNA polymerase. b. Eukaryotes have several types of RNA polymerases, one...
Question 1 Match the term with the best definition or description; most topics relate to the...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
Which of the following is NOT a function of transcription that requires the activity from subunits...
Which of the following is NOT a function of transcription that requires the activity from subunits of the Core RNA Palymerase? a. RNA polymerase activity that base-pairs and polymerizes nucleotides to make mRNA. b. Helicase activity that unwinds the double-stranded DNA molecule for transcription c. Specific recognition of -35 box and -10 box sites in the promoter region. d. General binding that helps RNA polymerase loosely adhere to DNA, before Transcription begins. Oe. Trick Question. The Core RNA polymerase can...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The use of nucleosomes to condense DNA in the nucleus. The ability to translate an RNA before its transcription is complete. The ability to have multiple ribosomes on a single RNA for more efficient translation. The ability to start transcription at a 5'AUG sequence. o Question 15 A particular prokaryotic promoter contains only the region from-10 to-35. Which of the following is true? The RNA...
Question 7 2 pts Which of these genes would not likely be regulated by the bacterial...
Question 7 2 pts Which of these genes would not likely be regulated by the bacterial SOS response?! Translesion DNA polymerase Cell division promoter Holliday junction branch migration enzyme Nucleotide excision repair enzyme Question 8 2 pts Which of these mutations is likely to have the greatest impact on the amino acid composition of the resulting protein? Silent Synonymous Frameshift Missense Question 9 2 pts What would be the result of perfect and continuous suppression of the lac operon in...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
1. trans-acting factors are able to regulate target genes from any chromosome, whereas cis-acting elements can...
1. trans-acting factors are able to regulate target genes from any chromosome, whereas cis-acting elements can only regulate genes located in the same chromosome. a. True only in operons. In Eukaryotic systems, trans-acting factors only regulate genes in the same chromosome. b. True only in Eukaryotes. Prokaryotes don’t have cis-acting elements. c. True for any organism. d. False. The statement is erroneous 2. Unlike activators, repressors never affect chromatin structure. Repressors inhibit transcription only by binding to the binding sites...
what are the other answers if any
of the following key differences between prokaryotic and eukaryotic transcription are TRUE? Check all that apply prokaryotic transcription occurs in the cytoplasm, while eukaryotic transcription occurs in the nucleus eukaryotic transcription is carried out by 1 RNA polymerase, while prokaryotic transcription is carried out by 3 different RNA polymerases eukaryotic transcripts are processed, while prokaryotic transcripts are translated while transcription is still occurring prokaryotes have sigma factors for specificity of binding whereas eukaryotes...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling provides the transcription machinery with dynamic access to an otherwise tightly packaged genome. O b. Chromatin remodeling often involves histone modifications (e.g., methylation). O c. Eukaryotes use chromatin remodeling as a mechanism for epigenetic modifications. O d. Prokaryotes use chromatin remodeling to regulate operon activity. O e. Chromatin remodeling plays a central role in the regulation of gene expression.
Match each term associated with genes and control of gene expression with the appropriate description. A transcriptional unit" that consists of promoter multiple genes under the control of a single regulatory element. A transcriptional regulatory protein (prokaryotic or eukaryotic) which works by turning on or increasing gene transcription. activator The region of a gene to which RNA polymerase binds. Enhancer A transcriptional regulatory protein prokaryotic or eukaryotic) which works by turning off or decreasing gene transcription. repressor A molecule that...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
Which of the following is NOT a function of transcription that requires the activity from subunits of the Core RNA Palymerase? a. RNA polymerase activity that base-pairs and polymerizes nucleotides to make mRNA. b. Helicase activity that unwinds the double-stranded DNA molecule for transcription c. Specific recognition of -35 box and -10 box sites in the promoter region. d. General binding that helps RNA polymerase loosely adhere to DNA, before Transcription begins. Oe. Trick Question. The Core RNA polymerase can...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The use of nucleosomes to condense DNA in the nucleus. The ability to translate an RNA before its transcription is complete. The ability to have multiple ribosomes on a single RNA for more efficient translation. The ability to start transcription at a 5'AUG sequence. o Question 15 A particular prokaryotic promoter contains only the region from-10 to-35. Which of the following is true? The RNA...
Question 7 2 pts Which of these genes would not likely be regulated by the bacterial SOS response?! Translesion DNA polymerase Cell division promoter Holliday junction branch migration enzyme Nucleotide excision repair enzyme Question 8 2 pts Which of these mutations is likely to have the greatest impact on the amino acid composition of the resulting protein? Silent Synonymous Frameshift Missense Question 9 2 pts What would be the result of perfect and continuous suppression of the lac operon in...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
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