Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 14, Problem 8TYU
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
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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 cancer
Regarding transcriptional promoter sites, which of the following statements are true? Select one or more than one:
a)They are located in the gene (DNA) whose information will be transcribed
b)They are found at the 3 'end of the gene that will be transcribed
c)Some of them are called 'TATA box'
d)They are found in the DNA, 'upstream' of the gene to be transcribed.
e)They are proteins of the cytoplasm
A mutation occurs in a gene, resulting in it being expressed at the wrong time during development. Where is the mutation most likely to be found?
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Chapter 14 Solutions
Biology (MindTap Course List)
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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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
- Label these processes 1-8 (1 being the earliest time point) in the order they would occur during expression of a eukaryotic gene. a) Regulatory transcription factor binding at an enhancer b) transcription initiation c) Phosphorylation of the gene's protein product d) MRNA nuclear export e) general transcription factor binding to promoter f) chromatin remodeling to expose promoter g) splicing h) translation initiationarrow_forwardExpression of a gene, in terms of greater production of the protein it encodes, could be increased by ... Question 12 options: A) increasing transcription of that gene. B) inhibiting proteases that break down the protein it encodes C) increasing the half life of its mRNA transcript D) A and C E) A, B and Carrow_forwardIf a gene sequence is more tightly coiled around histones, then which of the following is the most likely consequence? A) This gene is more likely to undergo mutation as it is being expressed B) This gene is unlikely to be transcribed while in this conformation C) This gene will be transcribed often while in this conformation D) This gene will be translated more efficiently .arrow_forward
- What is a response element? O A) A short stretch of DNA sequence implicated in the initiation of translation O B) A short stretch of DNA sequence essential for RNA splicing O C) A short stretch of DNA sequence found within the basal and regulatory promoter regions of genes D) A special protein implicated in the initiation of transcriptionarrow_forwardWhich of the following is not a possible outcome of changing the epigenetic code? a) exposure of regulatory region b) binding of transcription factors c) altered gene expression d) repositioning of nucleosomes by polymerasesarrow_forwardSelect the following descriptions of gene transcription regulation in eukaryotes that are post-transcriptional/pre-translational: Select 3 correct answer(s) A) Acetylation of histone tails B) Length of poly A tail C) Alternative splicing of mRNA molecule D) Binding of activators to enhancers regions on the DNA E) Addition of functional groups to a fully formed protein F) DNA methylation G) Chromatin modification H) Destruction of protein before/after modifications by a proteosome I) destruction of mRNA by RNA interferencearrow_forward
- Transcription allows (a) greater regulation of gene expression (b) amplification of gene expression (c) more than one protein to be produced by a gene (d) both a and b (e) all of the abovearrow_forwardSelect the following descriptions of gene transcription regulation in eukaryotes that are post-translational: Select 2 correct answer(s) O A) Length of poly A tail B) Chromatin modification C) Destruction of protein before/after modifications by a proteosome U D) Alternative splicing of mRNA molecule E) Acetylation of histone tails F) Binding of activators to enhancers regions on the DNA G) destruction of mRNA by RNA interference O H) DNA methylation UI) Addition of functional groups to a fully formed proteinarrow_forwardWhich is the expected outcome following the deacetylation of histones? a) Coiling of chromatin, preventing it from being accessed by transcriptional machinery b) Coiling of chromatin, allowing it to be accessed by transcriptional machinery c) Uncoiling of chromatin, preventing it from being accessed by transcriptional machinery d) Uncoiling of chromatin, allowing it to be accessed by transcriptional machineryarrow_forward
- Which of the following are possible reasons that a cell would regulate its expression of a gene? (Select all that apply.) (a) an increased need for a particular enzyme (b) a decreased need for a particular enzyme (c) increasing temperature in the external environment (d) changing needs as an organism ages (e) deatharrow_forwardChoose all of the following that you think are correct Protein(s) that play a role in initiating transcription in eukaryotes include A) general transcription factors. B) transposase enzymes C) RNA polymerase II. D) mediator protein complex. E) enhancers F) topoisomerase G)helicase Multiple answers Group of answer choices D B F A E C Garrow_forwardThe transcription factors that bind to enhancer sequences are known as _____. A) regulators B) activators C) common control elementsarrow_forward
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