Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 10, Problem 2CT
Summary Introduction
To explain: Whether the same types of gene control operate in bacterial cells and eukaryotic cells.
Concept introduction: Gene is the fundamental unit of heredity, which is composed of DNA. Each gene specifies a particular protein. For this, the genes are converted into a useful product through the process of gene expression. Gene expression involves the conversion of DNA into RNA through the process of transcription, and this RNA will be converted into proteins through the process of translation. Operons are the set of genes containing a promoter and one or more operators that help to control the transcription process. A type of operon called lac operon, which can occur in the bacteria, is used to
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Which of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria?
a) control of chromatic remodeling.
b) control of RNA splicing.
c) transcriptional control.
d) control of both RNA splicing and chromatin remodeling.
Why is gene regulation important for bacterial cells?
Which of the following statements about the attempt to express a eukaryotic gene in bacteria is TRUE?
Choose an answer below:
The eukaryotic promoter will function in the bacterial cells.
The transcript will be capped.
Expression of the gene will always yield a functional protein.
The stop codon of the eukaryotic gene will function in the bacterial cells.
The transcript will be spliced the same way as in eukaryotic cells.
Chapter 10 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 10 - The expression of a gene may depend on _______. a....Ch. 10 - Prob. 2SQCh. 10 - Binding of ______ to _______ in DNA can increase...Ch. 10 - Prob. 4SQCh. 10 - Prob. 5SQCh. 10 - Muscle cells differ from bone cells because...Ch. 10 - Prob. 7SQCh. 10 - Homeotic gene products _______. a. flank a...Ch. 10 - A gene that is knocked out is ________. a. deleted...Ch. 10 - Which of the following includes all of the others?...
Ch. 10 - Prob. 11SQCh. 10 - Effect of Paternal Grandmothers Food Supply on...Ch. 10 - Prob. 2DAACh. 10 - Effect of Paternal Grandmothers Food Supply on...Ch. 10 - Prob. 12SQCh. 10 - A cell with a Barr body is ___ . a. a bacterium b....Ch. 10 - Operons _____. a. only occur in bacteria b. have...Ch. 10 - Prob. 15SQCh. 10 - Why are some genes expressed and some not?Ch. 10 - Prob. 2CTCh. 10 - Almost all calico cats (one is pictured in FIGURE...Ch. 10 - The photos above show flowers from Arabidopsis...
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- In general, why is it important to regulate genes? Discuss examples of situations in which it would be advantageous for a bacterial cell to regulate genes.arrow_forward2) what is negative control of genes ? Does it need active form or inactive form of the repressor ? 3) What is role of RNA polymerase, operator and the repressor in repressible operon and inducible operons ? 4) How is eukaryotic gene expression different than bacterial gene expression ? 5) How does histone acetylation influence transcription ?arrow_forwardi)Describe attenuation control and how it is used to regulate gene expression. ii)Give a specific example of how this works? iii)Could this be used in eukaryotes? why ?or why not?arrow_forward
- If transmission of genetic information from cell to cell is normally achieved by copying the complementary DNA molecules how is this information equally shared between two daughter cells?arrow_forwardWhat are some approaches to gene regulation in eukaryotes discussed in class(epigenetic, enhances, RNA splicing)?arrow_forwardHow many protein coding genes would expect to be affected if the mutations are distributed randomly?arrow_forward
- What are the transcription factors in eukaryotes? What is the role of transcription factors? What are the two types of transcription factors?arrow_forwardA codon is a triplet of bases which codes for an amino acid. Exons are intervening sequence that are not spliced out during transcriptiona modification. RNA can never be double-stranded like DNA in both prokaryotes and eukaryotes. Alteration in BRCA-2 results to breast and ovarian cancer because of defect in the repair by homologous recombination. Write T if the statement is true and write F if the statement is falsearrow_forwardWhich of the following is the correct order of Rho-independent termination in prokaryotes? O Transcription of six adenines and rapid folding of RNA into hairpin, transcription of inverted sequences, release of transcript O Transcription of inverted sequences, transcription of six adenines and rapid folding of RNA into hairpin, release of transcript O Transcription of inverted sequences, release of transcript, transcription of six adenines and rapid folding of RNA into hairpin O Transcription of six adenines and rapid folding of RNA into hairpin, release of transcript, transcription of inverted sequencesarrow_forward
- How does the control of gene expression in prokaryotes differ from that of eukaryotes?arrow_forwardDescribe the important events that occur during gene transcription in bacteria. What proteins play critical roles in the three stages?arrow_forwardA 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_forward
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