Which of the following parts of the eukaryotic promoter are bound by general transcription factors? Group of answer choices A promoter proximal elements B enhancer elements C specific promoter elements D the core promoter
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Which of the following parts of the eukaryotic promoter are bound by general transcription factors?
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- Which of the following DNA regions is NOT involved in gene expression regulation in eukaryotes? Promoter-proximal elements Promoter O Enhancer O OperatorShown below is an eukaryotic gene. Assuming normal wild type RNA processing in a.cell, which of the following mature MRNAS could result in normal levels of functional synthesized proteins? Select all that apply Direction of transcription Promoter Template strand 5' Exon 4 Intron 3 Exon 3 Intron 2 Exon 2 Intron 1 Exon 1 3' 5' Coding strand Transcription start Transcription start 5' CAP-Exon1-Exon3-Exon4-AA..AAAA 5' CAP-Exon1-Exon2-Exon3-Exon4-AA...AAAA 5' CAP-Exon1-Exon2-Exon3-Exon4 Exon1-Exon2-Exon3-Exon4-.....AAAAFrom the list given - choose all of the regulatory proteins that would bind the eukaryotic gene to control its expression THERE ARE MULTIPLE ANSWER TO THE QUESTION Group of answer choices A RNA polymerase II B 3' UTR C mediator protein D 5' UTR E activators F coding sequence G specific transcription factors H general transcription factors
- Use the illustration as a reference to select the correct statements transcription factors of eukaryotic cells 00 Other transcription factor proteins Gene Enhancers Promoter 3 This protein complex makes it easier for RNA polymerase to attach to the promoter and start transcribing a gene 1 Activator proteins bind to pieces of DNA called enhancers. Their binding causes the DNA to bend, bringing them near a gene promoter, even though they may be thousands of base pairs away. RNA polymerase Activator proteins note This dagram simplifies the DNA - A 4 An insulator can stop the enhancers from binding to the promoter, if a protein called CTCF (named for the sequence CCCTC, which occurs in all insulators) binds to it. 2 Other transcription factor proteins join the activator proteins, forming a protein complex which binds to the gene promoter. Methyl groups CTCF (CCCTC-binding factor) -Insulator 5 Methylation, the addition of a methyl group to the C nudeotides, prevents CTCF ulator, enhancers…Lack of phosporylation of the C-terminal domian of Pol Il will result in which of the following? O Assembly of the full set of general transcription factors plus Pol II at the promoter, but unphosphorylated Pol II cannot leave the promoter region No assembly of the general transcription factors at a promoter No binding of Pol II at a promoter The unphosphorylated Pol II can initiate and elongate but cannot terminateInitiation of transcription A occurs at terminators B occurs only in eukaryotes C occurs in promoters D none of the above
- Which of the follow general transcription factors contains the protein TBP and binds to TATA box promoters first? Group of answer choices TFIID TFIIB TFIIA TFIIFWhich basal transcription factor contains a subunit that causes local distortion in DNA so that proteins can assemble to the promoter? TFIIA TFIID TELIH TFUIFWhich of the following functions are characteristic of general transcription factors in eukaryotes? Hint: there may be more than one correct response. Be sure to check all that apply. They inhibit RNA polymerase binding to the promoter and begin transcribing. They bind to other proteins or to the TATA box. They are sufficient to allow high levels of transcription. O They initiate and regulate the transcription of genes. O They bind to sequences just after the start site of transcription.
- Which of the following DNA regions is NOT involved in gene expression regulation in eukaryotes? Promoter-proximal elements Promoter Enhancer Operator **Enhancer is incorrectThe foloing dagram represents a transciption unit (a gene) and corresponding RNA transcripts being synthesized. ONA molecule +A RNA molecules transcnbed from DNA Is the promoter located at postion A or B? OaA 0&B Ocksmpossible to detemine this from the information presentedIn 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
