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.
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.
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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- The following is a difference between eukaryotic and prokaryotic gene regulation: O Only prokaryotes have operons O Only eukaryotes can regulate genes by altering chromatin structure O Only prokaryotes can have coordinated expression of several genes O Only eukaryotes have proteins that act as activators of transcriptionarrow_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_forwarda)Describe the process of transcription in prokaryotes b) Explain how proteins can be targeted for specific sites within the cellarrow_forward
- Describe and give an example of each of the following levels of gene expression control in eukaryotes: a) epigenetic control b) transcriptional control c) post-transcriptional control d) translational control e) post-translational controlarrow_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_forwardWhat are some approaches to gene regulation in eukaryotes discussed in class(epigenetic, enhances, RNA splicing)?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_forward1. In negative control systems, which of the following would cause transcription to proceed? A) Cooperator B) Inducer C) Operatorarrow_forwardHow many protein coding genes would expect to be affected if the mutations are distributed randomly?arrow_forward
- A 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 best explains how the expression of a eukaryotic gene encoding a protein will differ if the gene is expressed in a prokaryotic cell instead of in a eukaryotic cell? No transcript will be made, because eukaryotic DNA cannot be transcribed by prokaryotic RNA polymerase. The protein will be made but will not function, because prokaryotes cannot remove introns. The protein will not be made, because prokaryotes lack the ribosomes necessary for translation. The protein will have a different sequence of amino acids, because prokaryotes use a different genetic code.arrow_forwardWhat are the similarities and differences between DNA Polymerase and RNA polymerase? Explain the process of how the Lactose operon functions in the presence of lactose, glucose, both, and without lactose. Explain the process of how the Tryptophan operon functions in the presence of tryptophan and in the absence of tryptophan. What are the three types of horizontal gene transfer among prokaryotes? How do these three types of horizontal gene transfer work? What are restriction endonucleases, restriction fragments, & explain the general premise behind Recombinant DNA technology. Describe: STR’s, Mitotyping, & SNP’s in relation to DNA profiling What are Transgenic or Genetically Modified Organisms? Provide examples using herbicide tolerance and pest resistance.arrow_forward
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Bacterial Genomics and Metagenomics; Author: Quadram Institute;https://www.youtube.com/watch?v=_6IdVTAFXoU;License: Standard youtube license