Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214084
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Chapter 10, Problem 2AAATB
Summary Introduction

To write:

The effects on a cell that undergoes a mutation to its RNA polymerase gene.

Introduction:

The RNA is a type of nucleic acid that is formed from ribose sugar. There are three types of RNA molecules. These are “tRNA, mRNA, and rRNA”. The RNA polymerase is an important enzyme.

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if the following DNA sequence were transcribed, which of the following describes the output of this process? 3'- TCTGGACA-5' A. This would produce a protein that looks like 5'- A G A C C U G U -3' B. This would produce a tRNA that looks like 3'- A G AC C U G U -5' C. This would produce an mRNA that looks like this: 5'- A G AC C U G U -3' D. This would produce an mRNA that looks like 3'- U C U G G A CA -5' E. This would produce another strand of DNA that 0ok like 5-AG ACCT GT-3. ..
This is a list of molecular changes that could happen during DNA replication, transcription, mRNA processing, or translation. For each, determine whether or not the change will be passed down through generations of cells after it occurs. Explain your answer.  C->G point mutation in the DNA of a coding region of a gene A->T point mutation in the noncoding region of a gene An error in transcription changes the mRNA sequence such that what was an amino acid-coding codon in the DNA sequence is now a stop codon in the mRNA sequence. An error in translation causes the amino acid alanine (nonpolar) to be replaced by the amino acid glutamic acid (polar and negatively charged).
. Explain why the following statement is true: RNA polymerase copies template DNA in the 3’ to 5’ direction.
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