EBK BROCK BIOLOGY OF MICROORGANISMS
15th Edition
ISBN: 8220103633352
Author: Stahl
Publisher: PEARSON
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Textbook Question
Chapter 4.5, Problem 1MQ
- What enzyme catalyzes transcription? What is a promoter and what protein recognizes promoters in Bacteria?
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Chapter 4 Solutions
EBK BROCK BIOLOGY OF MICROORGANISMS
Ch. 4.1 - What is a genome and what is it composed of? What...Ch. 4.1 - Define the terms complementary and antiparallel as...Ch. 4.1 - Why is supercoiling essential to a bacterial cell?...Ch. 4.1 - Describe the central dogma of molecular biology....Ch. 4.2 - Approximately how large is the Escherichia coli...Ch. 4.2 - Prob. 2MQCh. 4.2 - Prob. 3MQCh. 4.2 - Prob. 1CRCh. 4.3 - Prob. 1MQCh. 4.3 - To which end (5 or 3) of a newly synthesized...
Ch. 4.3 - Prob. 3MQCh. 4.3 - What are the functions of DNA Pol I and III and...Ch. 4.3 - What is meant by the term semiconservative...Ch. 4.4 - Prob. 1MQCh. 4.4 - Prob. 2MQCh. 4.4 - Prob. 3MQCh. 4.4 - Prob. 1CRCh. 4.5 - What enzyme catalyzes transcription? What is a...Ch. 4.5 - Prob. 2MQCh. 4.5 - Prob. 3MQCh. 4.5 - Prob. 4MQCh. 4.5 - Prob. 1CRCh. 4.6 - What three major components make up an archaeal...Ch. 4.6 - Prob. 2MQCh. 4.6 - Prob. 3MQCh. 4.6 - How does the archaeal RNA polymerase differ from...Ch. 4.7 - Prob. 1MQCh. 4.7 - Differentiate between the different classes of...Ch. 4.7 - Prob. 3MQCh. 4.7 - Describe the two types of secondary structure a...Ch. 4.8 - Prob. 1MQCh. 4.8 - What is the function of the acceptor stem of a...Ch. 4.8 - Prob. 3MQCh. 4.8 - Prob. 1CRCh. 4.9 - Prob. 1MQCh. 4.9 - Prob. 2MQCh. 4.9 - Prob. 3MQCh. 4.9 - Why is the genetic code a degenerate code? What is...Ch. 4.10 - What are the components of a ribosome? What...Ch. 4.10 - How is a completed polypeptide chain released from...Ch. 4.10 - How does tmRNA free stalled ribosomes?Ch. 4.10 - Where on the ribosome do tRNAs bind, and what is...Ch. 4.11 - What are molecular chaperones and why are they...Ch. 4.11 - What macromolecules are protected by heat shock...Ch. 4.11 - How do chaperones assist the Escherichia coli cell...Ch. 4.11 - What proteins are involved in refolding misfolded...Ch. 4.12 - Prob. 1MQCh. 4.12 - Prob. 2MQCh. 4.12 - Prob. 3MQCh. 4.12 - Prob. 1CRCh. 4.13 - Prob. 1MQCh. 4.13 - Prob. 2MQCh. 4.13 - Prob. 3MQCh. 4.13 - Prob. 1CRCh. 4 - The genome of the bacterium Neisseria gonorrhoeae...Ch. 4 - Compare and contrast the activity of DNA and RNA...Ch. 4 - What would be the result (in terms of protein...
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- What are the role of transcription proteins? Explain briefly at your own wordsarrow_forwardWhat are the transcription factors in eukaryotes? What is the role of transcription factors? What are the two types of transcription factors?arrow_forwardWhat is the relationship between promoters, regulatory DNA sequences, and transcription regulators? How are they used to control gene expression?arrow_forward
- How dispersed promoters specify multiple transcriptional start sites ?arrow_forwardIn bacteria, which sequences in the promoter does sigma protein recognize to establish a constant position with respect to the start of transcription? -30 and -60 -10 and -60 -10 and -35 -35 and -60arrow_forwardWhat is the role of chromatin modification in transcription?arrow_forward
- What is the initial product of the transcription process?arrow_forwardThis diagram shows a double-stranded section of DNA. The arrow indicates location and strand of the transcription start site. The direction of transcription is also indicated. In which box would you find a 5’TATAA \3’ promoter sequence that would be used for initiating transcription at the start site shown? a) Box A b) Box B c) Box C d) Box Darrow_forwarda) what is a promoter and give the element and their functions of E.coli promoter b) what are eukaryotic transcription factor and list the class 2 general transcription factors and state their functionsarrow_forward
- For eukaryotes, how do mediators, gene-specific transcription factors (activators/repressors), general transcription factors, and RNA polymerase interact? How do they initiate transcription?arrow_forwardWhat is transcription unit ? What are the utility of its components?arrow_forwardWhat type of structures lead to transcription termination?arrow_forward
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