The following is a difference between eukaryotic and prokaryotic gene regulation: O Only prokaryotes have operons O Only eukaryotes can regulate genes by altering chromatin structure O Only prokaryotes can have coordinated expression of several genes O Only eukaryotes have proteins that act as activators of transcription

The following is a difference between eukaryotic and prokaryotic gene regulation: O Only prokaryotes have operons O Only eukaryotes can regulate genes by altering chromatin structure O Only prokaryotes can have coordinated expression of several genes O Only eukaryotes have proteins that act as activators of transcription

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Description: The following is a difference between eukaryotic and prokaryotic gene regulation:O Only prokaryotes have operonsO Only eukaryotes can regulate genes by altering chromatin structureO Only prokaryotes can have coordinated expression of several genesO

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 6TYU

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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
Which of the following is NOT a DIFFERENCE between prokaryotic and eukaryotic gene regulation? A. prokaryotic mRNA is NOT capped by a 5’mG after transcription, but eukaryotic mRNA is so capped B. eukaryotic mRNAs are monocistronic (encode single proteins), whereas prokaryotic mRNAs are polycistronic (encode multiple proteins) C. prokaryotic mRNA is not modified by polyadenylation after transcription, but eukaryotic mRNA is so modified. D. translation of eukaryotic mRNA into protein is not coupled to transcription of the mRNA from DNA, but in prokaryotes it is so coupled E. prokaryotic translation and eukaryotic translation use different genetic codes to translate mRNA codons into amino acid sequences of proteins
Which of the following gene regulation mechanisms are found ONLY in prokaryotes? a. coordinate regulation b. transcriptional regulation c. alternative splicing d. translational regulation e. DNA modifications
Describe two ways in which gene regulation differs and two ways in which it is similar in prokaryotes and eukaryotes.
Which of the following statements about the control of genes involved in galactose metabolism in yeast is FALSE? The genes coding for enzymes acting in the gal system are organized in an operon. The system involves a transcription activator. The system involves a transcription repressor. The presence of galactose sequesters the repressor in the cytoplasm. none of the above
Which of the following is NOT found in a prokaryotic genome? A. tRNA genes B. Operons C. Enhancers D. All of these are found in a prokaryotic genome E. Histone genes
Which of the following statements about the control of genes involved in galactose metabolism in yeast is FALSE? Choose one of the answers below The genes coding for enzymes acting in the gal system are organized in an operon. The system involves a transcription activator. The system involves a transcription repressor. The presence of galactose sequesters the repressor in the cytoplasm. none of the above
Which of the following statements is/are true about gene regulation in bacteria? Choose all that could apply Multiple answer apply A genes with related functions are often grouped together and are transcribed into a single piece of RNA B small molecules act as sensors and bind DNA to change its 3D shape C enhancers are commonly used to regulate transcription D repressor proteins block transcription by binding to operator sequences E activator proteins bind near promoters and increase the efficiency of transcription
Which of the following DNA regions is NOT involved on gene expression regulation in Eukaryotes?. ( not enhancer or promotor-proximal) A. Promoter-proximal B. Promoter C. Enhancer D. Operator
Which of the following statements about the attempt to express a eukaryotic gene in bacteria is TRUE? Choose an answer below: The eukaryotic promoter will function in the bacterial cells. The transcript will be capped. Expression of the gene will always yield a functional protein. The stop codon of the eukaryotic gene will function in the bacterial cells. The transcript will be spliced the same way as in eukaryotic cells.
Which of the following mutations in a gene will most likely have the greatest impact on the resulting protein? 1.A point mutation in the DNA sequence that codes for the stop codon 2.A missense mutation in the DNA sequence that codes for the start codon 3.A 2-base deletion in the DNA sequence that codes for the 3’ UTR 4.A nonsense mutation in the DNA sequence that codes for the 5’ UTR
Which of the following incorrectly describes the difference between eukaryotic and prokaryotic gene expression? A. Their promoter sequences are different. B. Their RNA polymerases are different. C. The ribosomal units are different. D. mRNA in eukaryotes is processed, but is not in prokaryotes. E. None of the above