Campbell Essential Biology Plus Mastering Biology with eText -- Access Card Package (6th Edition) (Simon et al., The Campbell Essential Biology Series)
6th Edition
ISBN: 9780133909708
Author: Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 3SQ
The regulation of gene expression must be more complex in multicellular eukaryotes than in prokaryotes because
- a. eukaryotic cells are much larger.
- b. in a multicellular eukaryote, different cells are specialized.
- c. prokaryotes are restricted to stable environments.
d. eukaryotes have fewer genes, so each gene must do several jobs.
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Compare and contrast regulation of gene expression in prokaryotes vs. eukaryotes.
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Chapter 11 Solutions
Campbell Essential Biology Plus Mastering Biology with eText -- Access Card Package (6th Edition) (Simon et al., The Campbell Essential Biology Series)
Ch. 11 - Your bore cells, muscle cells, and skin cells look...Ch. 11 - A group of prokaryotic genes with related...Ch. 11 - The regulation of gene expression must be more...Ch. 11 - A eukaryotic gene was inserted into the DNA of a...Ch. 11 - How does DNA packing in chromosomes prevent gene...Ch. 11 - What evidence demonstrates that differentiated...Ch. 11 - The most common procedure for cloning an animal is...Ch. 11 - Prob. 8SQCh. 11 - Prob. 9SQCh. 11 - Prob. 10SQ
Ch. 11 - What is the difference between oncogenes and...Ch. 11 - Prob. 12SQCh. 11 - Prob. 13PSCh. 11 - The human body has a far greater variety of...Ch. 11 - Because a cat must have both orange and non-orange...Ch. 11 - Design a DNA microarray experiment that measures...Ch. 11 - Prob. 17PSCh. 11 - Prob. 18BSCh. 11 - Prob. 19BS
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- In Eukaryotes, DNA is a long molecule inside a tiny nucleus. a. How can this long chain fit in such space? b. How does it affect gene expression?arrow_forwardFor eukaryote cells to evolve into new types of eukaryotic organism, which of the following would one expect to occur? a) All the cells are identical b) The endoplasmic reticulum is not involved. c) These specialized cells activate only the genes in their nucleoid area. d) Cells must be getting new genetic mutations and more DNA e) none of these are true.arrow_forwardA molecular biologist mutated a gene that encodes an enzyme (protein) that normally is secreted from the cell. The mutation resulted in the enzyme still being made, but it is now located in the cytoplasm. What do you think the molecular biologist changed in the cell coding this enzyme? a. The active site. b. The signal recognition particle (SRP). c. The signal sequence. d. The signal recognition particle receptor.arrow_forward
- Other than obvious changes in protein-encoding Neanderthal genes, changes in what type of non-coding DNA sequences would affect cell function? A) Alu family of repeated sequences B) Short tandem repeats (STRs) C) Protein factors that regulate gene expression D) Short interspersed nuclear elements (SINEs)arrow_forwardWhat strategy does a genetically encoded calcium indicator look like to allow fluorescence imaging of only one cell type in an acute slice of the brain? A.The use of fluorescent protein expression inhibitors in other cells B.The injection of a recombinant virus causing the death of other cells C.The use of a promoter specific to these cells D.Activation of membrane receptors specific to these cellsarrow_forwardRegulation of gene expression is necessary because: A) all cells do not need to express all genes B) all genes must be expressed in all cells C) some cells express all genes D) some genes must be expressed in all cellsarrow_forward
- Which of the following is true of transcription factors? A)The same transcription factors are found in all cell types. B)They can increase or decrease gene expression. C)They are a type of cis-acting element. D)They bind only to promoters.arrow_forwardWhy is regulating transcription the main way that cells control gene expression? A. Because transcription is the last step in gene expression, stopping here ensures that the cell has a stockpile of proteins to prepare them from all unexpected environmental changes. B. Because transcription involves interactions with DNA, preventing transcription reduces the changes of mutation in the cell’s genome. C. Because transcription is the first step in gene expression, stopping at transcription reduces the amount of energy and resources used by producing unnecessary gene products. D. Because transcription is the shortest step in gene expression, preventing transcription has little effect on the rate of protein production.arrow_forwardWith the aid of diagrams, and using specific examples, describe how gene expression is regulated in prokaryotes.arrow_forward
- Which of the following is not an example of constitutively expressed gene? a. genes for cell division and growth b. genes involved in DNA repair c. genes for cellular respiration d. genes that function in ATP synthesisarrow_forwarda) Define the term gene expression b) State 4 difference between prokaryotes and eukaryotes gene expression c) state the importance of regulating gene expressionarrow_forwardcompare and contrast the negative and positive regulation of prokaryotic gene expressionarrow_forward
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