BROOKER BIOLOGY
5th Edition
ISBN: 9781307656152
Author: BROOKER
Publisher: MCG/CREATE
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Chapter 14.3, Problem 1CC
Summary Introduction
To determine: The effect on the function of RNA polymerase as a result of the interaction of activator with a mediator.
Introduction: A mediator is a protein complex that is required during the process of transcription in eukaryotes whereas activators are regulatory transcription factors that are required to regulate the transcription process.
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How does an activator protein help RNA polymerasebegin transcription?
How does ρ provoke the termination of RNA synthesis?
Which is the transcription is catalysed by RNA polymerase?
Chapter 14 Solutions
BROOKER BIOLOGY
Ch. 14.1 - Prob. 1CCCh. 14.2 - Which genes are under the control of the lac...Ch. 14.2 - With regard to regulatory proteins and small...Ch. 14.2 - What were the key observations made by Jacob,...Ch. 14.2 - CoreSKILL What was the eventual hypothesis...Ch. 14.2 - Prob. 3EQCh. 14.2 - Core Skill: Connections Look back at Fig 9.12....Ch. 14.2 - What are the advantages of having both an...Ch. 14.2 - Prob. 2CSCh. 14.3 - Prob. 1CC
Ch. 14.4 - What are the two opposing effects that histone...Ch. 14.4 - Prob. 1CSCh. 14.5 - Prob. 1CCCh. 14.5 - Prob. 2CCCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Transcription factors that bind to DNA and...Ch. 14 - Prob. 4TYCh. 14 - For the lac operon, what would be the expected...Ch. 14 - Prob. 6TYCh. 14 - The trp operon is considered _____ blank operon...Ch. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - _____ blank refers to the process that allows a...Ch. 14 - Prob. 1CQCh. 14 - Transcriptional regulation often involves a...Ch. 14 - Prob. 3CQCh. 14 - Discuss the advantages and disadvantages of...Ch. 14 - Discuss the advantages and disadvantages of...
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- 1. In negative control systems, which of the following would cause transcription to proceed? A) Cooperator B) Inducer C) Operatorarrow_forwardWhat would be the likely effect of a mutation that prevents σ from dissociating from the RNA polymerase core?arrow_forwardWhat is the mechanism through which messenger RNA molecules transfer genetic information from DNA?arrow_forward
- A cell has a mutated mediator protein. a) How will this affect transcription of genes? (circle an answer below) No transcription Weak transcription will occur Strong transcription will occur b) Why? Describe your choice abovearrow_forwardWhat is a possible outcome of the addition of a transcription factor such as Myod to the nucleus of a cell? Assume that there are no other factors to either activate or prevent the response of the cell. Group of answer choices A) Production of mRNA from genes that were previously not expresed B)adding methyl groups to DNA C)prevention of protein synthesis D)uncoiling of the chromatin to allow transcriptionarrow_forwardWhy is TBP considered to be a universal transcription factor?arrow_forward
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