Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 14, Problem 14TYU
Summary Introduction
To determine: The reason why rate of transcription of gene is decreased when DNA that is situated several thousand bases upstream from the gene is removed.
Introduction: Gene regulation consists of many mechanisms that the cell uses to decrease or increase the production of certain gene products. The gene regulation in the bacteria mainly takes place in the level of transcription. In the eukaryotes, the gene regulation takes place in the level of transcription, post transcription, translation, and post translation.
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Refer to the double stranded DNA molecule with the sequence below to answer the following questions:
5’ATATGGGTCTCGATAGGGCTGTTTTCTCCGGC 3’
3’TATACCCAGAGCTATCCCGACAAAAGAGGCCG 5’
Which strand functions as the transcription template, the top one or the bottom one? Explain your reasoning.
What is the mRNA transcript and polypeptide from this strand? In the space below, copy the DNA strand that is transcribed, and write the mRNA transcript and polypeptide chain below it. Align the mRNA and polypeptide so that it is clear which DNA bases they came from.
DNA strand:
mRNA:
amino acid sequence:
Consider the generalized structure of a eukaryotic gene, and the RNA it encodes. Of the options listed below, which one set of features determines the length of the primary RNA in base pairs, before any processing has occurred?
The exon and intron sequences
The promoter and enhancer sequences
The start and stop codons for translation
The transcription start and termination sequences
Below is a double-stranded DNA:
ATATGTGGTCTCGGTCCGTTAGGCAAT
TATACACCAGAGCCAGGCAATCCGTTA
Which strand functions as the transcription template, the top one or the bottom one? Explain your reasoning
What is the mRNA transcript and polypeptide from this strand? In the space below, copy the DNA strand that is transcribed, and write the mRNA transcript.
Identify the polypeptide chain below it. Align the mRNA and polypeptide so that it is clear which DNA bases they came from.
Chapter 14 Solutions
Biology (MindTap Course List)
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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