Biology with Connect Access Card
10th Edition
ISBN: 9780077705701
Author: Raven, Peter
Publisher: McGraw-Hill 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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Chapter 15 Solutions
Biology with Connect Access Card
Ch. 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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- Which 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_forwardthere is the statement: "Both stem cells and specialized cells have all the same genes. They differ in the regulation of those genes and express very different sets of genes ". Which one of the following explanations best accounts for this difference in stem cell and specialized cell gene expression? A. Stem cells and specialized cells have different activators and repressors that affect transcription B. Stem cells and specialized cells have different promoter sequences for their genes, thus affecting transcription C. Stem cells and specialized cells have different ribosomes that affect translation D. Stem cells and specialized cells use different start codons on mRNAs, thus affecting translationarrow_forwardIn 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_forward
- A researcher has identified a mutant strain of yeast whose histones are unable to be acetylated. Which of the following is the MOST reasonable prediction for how the phenotype of this mutant yeast will differ from the phenotype of yeast cells with acetylated histones? A. The mutant will grow more rapidly. B. The mutant will grow much more slowly. C. The mutant will show decreased levels of gene expression. D. The mutant will show increased levels of gene expression.arrow_forwardEpigenesis relating to genetics refers to which of the following A. Genetic information is limited to what we inherit only from our biological parents. B. Genes are not influenced by environmental factors. C. Genes we inherit are fully expressed at birth. D. Genes are turned on or off as needed, by the developing body or environmental triggers, across the life-spanarrow_forwardThe underlying cause(s) of epigenetic changes associated withcancer may bea. mutations in genes that encode chromatin-modifyingproteins.b. environmental agents that alter the function of chromatinmodifyingproteins.c. mutations in genes that encode proteins that directly acceleratecell growth.d. all of the above.e. both a and b.arrow_forward
- Which 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_forwardA chaperone comes into play ina. the folding of a new protein into itstertiary structure.b. keeping DNA organized within thenucleus.c. escorting sister chromatids to oppositedaughter cells during mitosis.d. repairing DNA that has been damagedby mutagens.e. preventing malignant cells frommetastasizing.arrow_forward
- Select the incorrect statement: O A. Transcription produces an mRNA of a gene that leaves the nucleus. O B. A hydrophobic hormone-receptor complex may increase the expression of a specific protein by stimulating the transcription of more of that protein's MRNA. OC Protein synthesis is a two-phase process that includes transcription and translation. O D, In the process of transcription, the entire chromosome is copied by RNA polymerase.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 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_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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