Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Question
Chapter 10, Problem 8RQ
Summary Introduction
To review:
 Â
The regulatory mechanism that uses translation to control transcription and its working.
Introduction:
A riboswitch is an RNA (ribonucleic acid) molecule that resembles both repressor and activator protein and controls gene expression by binding to the cell metabolite. The process of copying one of the DNA (deoxyribonucleic acid) helical strands into mRNA (messenger ribonucleic acid) is known as transcription.
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Chapter 10 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 10.1 - Prob. 1TQCh. 10.2 - Prob. 1TQCh. 10.2 - Prob. 2TQCh. 10.2 - Prob. 3TQCh. 10.2 - Prob. 4TQCh. 10.2 - Prob. 5TQCh. 10.3 - Prob. 1TQCh. 10.3 - Prob. 2TQCh. 10.4 - Prob. 1TQCh. 10.5 - Prob. 1TQ
Ch. 10.5 - Prob. 2TQCh. 10.6 - Prob. 1TQCh. 10 - Prob. 1RQCh. 10 - Prob. 2RQCh. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - Prob. 5RQCh. 10 - Prob. 6RQCh. 10 - Prob. 7RQCh. 10 - Prob. 8RQCh. 10 - Prob. 9RQCh. 10 - Prob. 10RQCh. 10 - Prob. 11RQCh. 10 - Prob. 12RQCh. 10 - Prob. 13RQCh. 10 - Prob. 14RQCh. 10 - Prob. 1TQCh. 10 - Prob. 2TQCh. 10 - Prob. 3TQCh. 10 - Prob. 4TQ
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- What are the three modifications made to pre-mRNA molecules before they become mature mRNAs, are transported from the nucleus to the cytoplasm, and become ready to be used in protein synthesis? What is the function of each modification?arrow_forwardWhat is the role of RNA polymerase in transcription?arrow_forwardWhere in the many steps of transcription initiation does regulation occur?arrow_forward
- What are transcription factors How do they affect transcription?arrow_forwardHow is transcription different from translation with respect to location, template and end product?arrow_forwardWhat are general transcription factors? When do you expect to find them? What is a cis acting regulatory sequence? Where are they located in comparison with the gene they are regulating?arrow_forward
- What is the role of DNA in transcription?arrow_forwardHow do mediators, gene-specific transcription factors (activators/repressors), general transcription factors, and RNA polymerase interact? How do they initiate transcription?arrow_forwardWhat is the relationship between promoters, regulatory DNA sequences, and transcription regulators? How are they used to control gene expression?arrow_forward
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