Concepts of Genetics (12th Edition)
Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Chapter 17, Problem 17PDQ
Summary Introduction

To determine: The characteristics of the Initiator elements.

Introduction: The transcription is a process in which a particular segment of DNA is copied into RNA. The process is catalyzed by an RNA polymerase enzyme. It is the first step of DNA based gene expression.

Summary Introduction

To determine: The characteristics of the BREs.

Introduction: Translation is a process of protein biosynthesis. In this process, the genetic code carried by mRNA is decoded to produce the polypeptide chain. The process follows transcription in which the DNA sequence is copied into an mRNA.

Summary Introduction

To determine: The characteristics of the DPEs.

Introduction: The TATA box is a sequence of DNA. It is found in the core promoter region of eukaryotes. The homolog of TATA box is present in prokaryotes and is called Pribnow box.

Summary Introduction

To determine: The characteristics of the MTEs.

Introduction: A core promoter is the region of the proximal promoter that contains the transcription start sites. It is the minimal stretch of DNA sequence that is sufficient to initiate the process of transcription.

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Students have asked these similar questions
Explain the features of the Initiator (Inr) elements, BREs, DPEs, and MTEs of focused promoters.
Discuss the structure and function of regulatory elements. Where are they located relative to the core promoter?
Negative supercoiling of DNA favors the transcription of genes because it facilitates unwinding. However, not all promoter sites are stimulated by negative supercoiling. The promoter site for topoisomerase II itself is a noteworthy exception. Negative supercoiling decreases the rate of transcription of this gene. Propose a possible mechanism for this effect and suggest a reason why it may occur.

Chapter 17 Solutions

Concepts of Genetics (12th Edition)

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