Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 16, Problem 4TYK
Summary Introduction
Introduction:
Gene expression is controlled by the synthesis of proteins from
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Transcriptional regulation often involves a regulatory protein that binds to a segment of DNA and a small effector molecule that binds to the regulatory protein. Do each of the following terms apply to a regulatory protein, a segment of DNA, or a small effector molecule?
A. Repressor
B. Inducer
C. Operator site
D. Corepressor
E. Activator
F. Attenuator
G. Inhibitor
Combinatorial control refers to the phenomenon that
a. transcription factors always combine with each other when regulating genes.
b. the combination of many factors determines the expression of any given gene.
c. small effector molecules and regulatory transcription factors are found in many different combinations.
d. genes and regulatory transcription factors must combine with each other during gene regulation.
State true or false, giving a brief justification:
a. An enhancer is a type of regulatory element.
b. A core promoter is a type of regulatory element.
c. Regulatory transcription factors bind to regulatory elements.
d. Typically, an enhancer may
cause the downregulation of transcription.
Chapter 16 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 16.1 - Suppose the lacl gene is mutated so that the Lac...Ch. 16.1 - Answer the equivalent question for the trp operon:...Ch. 16.2 - What is the role of histones in gene expression?...Ch. 16.2 - Prob. 2SBCh. 16.3 - Prob. 1SBCh. 16.3 - Prob. 2SBCh. 16.4 - Prob. 1SBCh. 16.4 - Prob. 2SBCh. 16.5 - Prob. 1SBCh. 16.5 - Prob. 2SB
Ch. 16.5 - Prob. 3SBCh. 16.5 - Prob. 4SBCh. 16 - Prob. 1TYKCh. 16 - For the E. coli lac operon, when lactose is...Ch. 16 - Prob. 3TYKCh. 16 - Prob. 4TYKCh. 16 - Prob. 5TYKCh. 16 - Prob. 6TYKCh. 16 - Prob. 7TYKCh. 16 - Prob. 8TYKCh. 16 - Prob. 9TYKCh. 16 - Prob. 10TYKCh. 16 - Discuss Concepts In a mutant strain of E. coli,...Ch. 16 - Prob. 12TYKCh. 16 - Prob. 13TYKCh. 16 - Prob. 14TYKCh. 16 - Design an experiment using rats as the model...Ch. 16 - Prob. 1ITDCh. 16 - Prob. 2ITDCh. 16 - Prob. 3ITDCh. 16 - Prob. 4ITD
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- For each statement about gene expression mechanisms, choose the correct end to the sentence. For each gene, the template strand for transcription is determined by…. The direction of translation is determined by…… The tissue-specificity of protein production is determined by…. choices: a. location of the start codon b. location of the promoter c. direction of polymerization by RNA polymerase d. none of these e. direction of movement of ribosomes f. overall orientation of the chromosomearrow_forwardGene expression regulation by methylation of the cytosines in a promoter would be considered : Select one: a. Translational regulation. b. Transcriptional regulation. c. Posttranscriptional regulation. d. Posttranslational regulation.arrow_forwardHow does reverse methylation affect gene expression? Select one: o a. The gene is turned off, but still expresses a protein product. b. The gene becomes transcriptionally silent. c. There is no effect on the gene. d. The gene is hyperactive resulting in a gain of function. e. The gene expresses the wrong protein. Clear my choice How do microRNAs regulate epigenetic mechanisms during development? Select one: o a. MicroRNAs function as gene repressors b. You only find microRNAS in epigenetic and cancer cells c. MicroRNAs function as gene activators d. MicroRNAS regulate methylation on the DNA sequences of embryos e. Researchers find that when microRNAs are present the effects of epigenetic modifications are 50% greater Clear my choicearrow_forward
- Genetic expression in general can be regulated at various stages. Identify specific processes that control gene expression at the: a. transcription level - b. post-transcription level - c. translation level -arrow_forwardWhich of the following is true of CpG islands? a. They are methylated near promoters of actively transcribed genes. b. They are unmethylated near promoters of actively transcribed genes. c. Acetylation of CpG islands leads to repression of transcription. d. CpG islands code for RNA molecules that activate transcription.arrow_forwarda. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region. b. Under the word gene write “ON” or “OFF” to indicate if the gene is transcribed or not under the different conditions.arrow_forward
- Which of the following is an example of post-transcriptionalcontrol of gene expression?(A) the addition of methyl groups to cytosine bases of DNA(B) the binding of transcription factors to a promoter(C) the removal of introns and alternative splicing of exons(D) gene amplification contributing to cancerarrow_forwardTwo different types of gene regulatory elements are DNA sequence and protein-based. Which of the following describes them, respectively? a. one blocks translation, the other blocks transcription b. The first is an aporepressor, the second is a promoter c. The first is an enhancer, the second is a repressor d. The first is a activator, the second is a an attenuator e. one is an activist, the other is a protestorarrow_forwardTranscription of eukaryotic genes requires the presence of a promoter and usually the presence of enhancers. An enhancer: A. is a consensus sequence in DNA located where RNA polymerase first binds. B. may be located in various places in different genes. C. may be on either strand of DNA in the region of the gene. D. functions by binding RNA polymerase. E. stimulates transcription in both prokaryotes and eukaryotes.arrow_forward
- Is each of the following statements true or false? A. An enhancer is a type of regulatory element. B. A core promoter is a type of regulatory element. C. Regulatory transcription factors bind to regulatory elements. D. An enhancer may cause the down regulation of transcription.arrow_forwardThe insertion of transposable elements into genes can alter the normal pattern of expression. In the following situations, describe the possible consequences on gene expression.a. A LINE inserts into an enhancer of a human gene. b. A transposable element contains a binding site for a transcriptional repressor and inserts adjacent to a promoter. c. An Alu element inserts into the 3′ splice (AG) site of an intron in a human gene. d. A Ds element that was inserted into the exon of a maize gene excises imperfectly and leaves three base pairs behind in the exon. e. Another excision by that same Ds element leaves two base pairs behind in the exon. f. A Ds element that was inserted into the middle of an intron excises imperfectly and leaves five base pairs behind in the intron.arrow_forward1. Transcription: a)State the role of RNA polymerase in gene transcription.b. Explain why the DNA is not used directly for protein translation (i.e., why is mRNA used instead?).c. Explain what occurs when a gene’s promoter region is open for RNA polymerase binding.d. Explain what occurs when a gene’s promoter regions is blocked from binding RNA polymerase.e. Explain how two cells, such as liver cells and skin cells, can become specialized in structure and function despite containing the same genome.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
QCE Biology: Introduction to Gene Expression; Author: Atomi;https://www.youtube.com/watch?v=a7hydUtCIJk;License: Standard YouTube License, CC-BY