1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 15, Problem 6A
An inversion will
a. necessarily cause a mutant
b. only cause a mutant phenotype if the inversion breakpoints fall within a gene.
c. halt transcription in the inverted region because the chromosome is now backward.
d. interfere with translation of genes in the inverted region.
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fill in the blank:
a. lincRNA plays a role in regulating ___ making genes but they themselves are encoded in the genome that is considered _____ DNA.
b. The most well known example of RNA regulating the expression of DNA is the production of the ___ that coats one copy of the X chromosome in a female forming the ____.
What would the correct answer be, please choose letter option and explain
a. 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.
Chapter 15 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 15.1 - Prob. 1LOCh. 15.1 - Prob. 2LOCh. 15.1 - List the roles played by RNA in gene expression.Ch. 15.2 - Prob. 1LOCh. 15.2 - Describe the characteristics of the genetic code.Ch. 15.2 - Prob. 3LOCh. 15.3 - Prob. 1LOCh. 15.3 - Differentiate among initiation, elongation, and...Ch. 15.3 - Prob. 3LOCh. 15.4 - Prob. 1LO
Ch. 15.4 - Prob. 2LOCh. 15.4 - Explain the differences between bacterial and...Ch. 15.5 - Prob. 1LOCh. 15.5 - Prob. 2LOCh. 15.5 - Prob. 3LOCh. 15.6 - Explain why the tRNA charging reaction is critical...Ch. 15.6 - Prob. 2LOCh. 15.7 - Prob. 1LOCh. 15.7 - Prob. 2LOCh. 15.7 - Compare translation on the RER and in the...Ch. 15.9 - Prob. 1LOCh. 15.9 - Explain the nature of triplet repeat expansion.Ch. 15.9 - Prob. 3LOCh. 15 - Prob. 1DACh. 15 - Prob. 2DACh. 15 - Prob. 1IQCh. 15 - Prob. 2IQCh. 15 - Prob. 3IQCh. 15 - The experiments with nutritional mutants in...Ch. 15 - What is the central dogma of molecular biology? a....Ch. 15 - In the genetic code, one codon a. consists of...Ch. 15 - Eukaryotic transcription differs from prokaryotic...Ch. 15 - An anticodon would be found on which of the...Ch. 15 - RNA polymerase binds to a ________ to initiate...Ch. 15 - During translation, the codon in mRNA is actually...Ch. 15 - You have mutants that all affect the same...Ch. 15 - The splicing process a. occurs in prokaryotes. b....Ch. 15 - The enzyme that forms peptide bonds is called...Ch. 15 - In comparing gene expression in prokaryotes and...Ch. 15 - The codon CCA could be mutated to produce a. a...Ch. 15 - An inversion will a. necessarily cause a mutant...Ch. 15 - What is the relationship between mutations and...Ch. 15 - Prob. 1SCh. 15 - Frameshift mutations often result in truncated...Ch. 15 - Describe how each of the following mutations will...Ch. 15 - There are a number of features that are unique 10...
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- . Dosage compensation is necessary because a. some regions of the genome contain more genes than others.b. genes near heterochromatin tend to be silenced. c. enhancers can activate transcription whether they are upstream or downstream of a gene. d. genes on the X chromosome have twice as many copies in females as in malesarrow_forwardHow would each of the following types of mutations affect proteinfunction or the amount of functional protein that is expressed froma gene?A. Nonsense mutationB. Missense mutationC. Up promoter mutationD. Mutation that affects splicingarrow_forwardWhich of the following is NOT a mechanism of control of gene expression Group of answer choices a. Co-dominance b. mRNA transport c. DNA Methylation d. Control of translation e. Control of transcriptionarrow_forward
- In eukaryotes, chromatin remodeling plays an important role is gene regulation. This is because a. repositioning of the nucleosomes makes DNA accessible to transcription regulatory proteins b. the nucleosomes contain important regulatory regions c. chromatin remodeling activates gene expression d. chromatin remodeling represses gene expressionarrow_forwardA transcription factor (protein - orange/green) is bound to a promoter of a gene (DNA - blue) it regulates. What changes would result in the gene not being expressed? A. Mutations in the DNA sequence where the TF is bound B. Mutations in the DNA binding domain of the TF C. Mutations in the 3’UTR (untranslated region) of this gene A and B only B and C only A, B, and Carrow_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_forward
- Explain wellarrow_forwardWhich of the following may produce more than one functional protein from an mRNA transcript?a. chromatin condensation b. transcriptional regulation c. epigeneticsd. alternative mRNA processingarrow_forwardMethylation can alter the process of gene expression because: B. By causing DNA to coil more tightly. A. By derailing the cellular transcription machinery. C. By removing the gene from the genome altogether. D. ALL answers A, B and C are correct. E. Only answers A and B are correct, but not C.arrow_forward
- How can methylation affect transcription? a. It may prevent the binding of regulatory transcription factors. b. It may enhance the binding of regulatory transcription factors. c. It may attract methyl-CpG-binding proteins, which inhibit transcription, to bind to a methylated sequence. d. All of the above are possible ways for methylation to affect transcriptionarrow_forwardA cell is homozygous for a LOF mutation in the histone acetyltransferase (HAT) gene. Which of the following is/are true? a. Chromatin in the cell will be more condensed than usual, decreasing expression of genes that should be expressed. b. This will lead to histones with more positive charges on their tails, increasing the interaction between histones and the DNA backbone. c. This will lead to a decrease in DNA methylation and therefore cause an increase in gene expression. d. Chromatin in the cell will be less condensed than usual, increasing expression of genes that should not be expressed.arrow_forwardHow can methylation affect transcription?a. It may prevent the binding of regulatory transcription factors.b. It may enhance the binding of regulatory transcription factors.c. It may promote the binding of methyl-CpG-binding proteins,which inhibit transcription.d. All of the above are possible ways for methylation to affecttranscription.arrow_forward
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