Prescott's Microbiology
11th Edition
ISBN: 9781260409062
Author: WILLEY, Joanne
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 19.4, Problem 5CC
Is HGT involved in movement of genes in the core or pan-genome? Explain.
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What is expressed sequence tag (EST)?
a) What is a gene promoter? b) What proteins bind to a promoter? c) What do those proteins do to control gene expression?
a) Define the term gene expression
b) State 4 difference between prokaryotes and eukaryotes gene expression
c) state the importance of regulating gene expression
Chapter 19 Solutions
Prescott's Microbiology
Ch. 19.1 - What is a natural classification? What microbial...Ch. 19.1 - Prob. 2CCCh. 19.1 - Consider the finding that bacteria capable of...Ch. 19.2 - What is the difference between a microbial species...Ch. 19.2 - Why is it important to have a type strain for each...Ch. 19.2 - The genus Salmonella was once thought to contain...Ch. 19.3 - What are the advantages of using each major group...Ch. 19.3 - Why is rRNA so suitable for determining...Ch. 19.3 - Prob. 3CCCh. 19.4 - Could a phylotype be considered an OTU? What about...
Ch. 19.4 - List the differences between distance-based and...Ch. 19.4 - Prob. 3CCCh. 19.4 - You are building a tree based on 16S rRNA sequence...Ch. 19.4 - Is HGT involved in movement of genes in the core...Ch. 19.5 - On what evidence is this hypothesis based?Ch. 19.5 - Construct a scenario in which each of the...Ch. 19.5 - Define ecotype. Do you think it is necessary to...Ch. 19.5 - What is the difference between the core genome and...Ch. 19.5 - Of the following genes, which do you think are...Ch. 19.5 - Prob. 4CCCh. 19.6 - Prob. 1CCCh. 19.6 - Describe two different situations in which it...Ch. 19 - Prob. 1RCCh. 19 - Prob. 2RCCh. 19 - Prob. 3RCCh. 19 - Prob. 4RCCh. 19 - Prob. 5RCCh. 19 - Prob. 6RCCh. 19 - Consider the fact that the use of 16S rRNA...Ch. 19 - You have recently established a pure culture of a...Ch. 19 - Prob. 3ALCh. 19 - Prob. 4ALCh. 19 - Prob. 5ALCh. 19 - Prob. 6ALCh. 19 - Prob. 7AL
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- In a eukaryotic cell, four general types of RNA molecules are involved in gene expression. a) What are these four types of RNA? 2. b) Which is not involved in gene expression in prokaryotic cells? Why not?arrow_forwardGive typing answer with explanation and conclusion What is the transcription product of the DNA templa GCTAGCGATGAC-5'? OA) CAGTAGCGATCG OB) CGAUCGCUACUG OC) CGATCGCTACUG OD) CGUTCGCUTCUGarrow_forwardWhich of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria? a) control of chromatic remodeling. b) control of RNA splicing. c) transcriptional control. d) control of both RNA splicing and chromatin remodeling.arrow_forward
- Gene Expression: 14) Look at the diagram: a) For each of the molecules in the diagram, identify what type of molecule they are, and label their ends (3',5',N,C). b) For each arrow, name the process and identify the major enzymes involved. c) Where do each of these activities take place in a bacterial cell? In a eukaryotic cell? Draw a picture if it helps you explain it.arrow_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_forwardWhat modifications are observed in regions of the genome that are being actively transcribed? In regions that are not actively transcribed?arrow_forward
- What are site-recombinases? Describe in detail how cre- recombinase can be used to decipher the roles of specific genes and proteins in complex multicellular organisms? Explain how the cre-lox system can be used to examine the role of a particular gene in a specific type of tissue?arrow_forwardWhat is the mechanism by which the Alu sequence has become dispersed to many sites in the genome?arrow_forwardExpression of a gene, in terms of greater accumulation of the protein it encodes, could be increased by. 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_forward
- What mechanisms are involved in polynucleotide folding which produces a stable molecule that can fit into a small area in the cell? Differentiate eukaryotic and genome folding mechanisms and explain the presence of heterochromatin structures.arrow_forwardMatch the type of chromatin modification with the most likely effect on gene expression near the modified region. Each answer will be used once. -Increased expression -decreased expression -may increase or decrease expression a)Histone acetylation b)Histone methylation c)CpG methylationarrow_forwardExplain briefly the transcription termination stage.arrow_forward
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