BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 10, Problem 6SA
Summary Introduction
Introduction:
The change in the external and internal environment of a cell, allows the cell to respond. It is critical for life to respond to the change. The response of a cell changes the time and rate of gene expression. From the gene transcription to the translation, all steps are regulated for gene expression.
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Control over eukaryotic gene expression drives______ . a. transcription factors c. embryonic development b. nutrient availability d. all of the above
How does the regulation of gene expression support continued evolution of more complex organisms? a. Cells can become specialized within a multicellular organism. b. Organisms can conserve energy and resources. c. Cells grow larger to accommodate protein production. d. Both A and B.
a) Define the term gene expression
b) State 4 difference between prokaryotes and eukaryotes gene expression
c) state the importance of regulating gene expression
Chapter 10 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 10 - Gene expression does not vary by ________. a. cell...Ch. 10 - Binding of _______ to _______ in DNA can increase...Ch. 10 - Prob. 3SACh. 10 - Mechanisms that govern gene expression do not...Ch. 10 - Muscle cells differ from bone cells because they...Ch. 10 - Prob. 6SACh. 10 - Prob. 7SACh. 10 - Prob. 8SACh. 10 - Which of the following includes all of the others?...Ch. 10 - Prob. 10SA
Ch. 10 - Prob. 11SACh. 10 - Prob. 12SACh. 10 - Prob. 13SACh. 10 - True or false? Gene expression patterns can be...Ch. 10 - Match the terms with the most suitable...Ch. 10 - Why are some genes expressed and some not?Ch. 10 - Do the same mechanism of governing gene expression...Ch. 10 - Prob. 3CTCh. 10 - The photos below show flowers from two Arabidopsis...
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- For 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_forwardOther 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_forwardHox genes encode transcription factors that a. control segmentation. b. promote determination. c. cause cell differentiation. d. do all of the above.arrow_forward
- Muscle cells differ from nerve cells mainly because they(A) express different genes.(B) contain different genes.(C) use different genetic codes.(D) have unique ribosomes.arrow_forwardA nerve cell and a skin cell from the same person have Group of answer choices A. different gene expression B. different versions of genes C. same gene expression D. none of the above E. different genesarrow_forwardWhat is the advantage of studying the mRNA present in a cell rather than the DNA? A. The mRNA is more chemically stable at room temperature. B. The mRNA identifies which genes are expressed. C. The mRNA identifies inheritance patterns. D. The mRNA is better able to undergo PCR.arrow_forward
- Which of the following is a key feature of stem cells?a. They have the ability to divide.b. They have the ability to differentiate.c. They are always pluripotent.d. Both a and b are true of stem cells.arrow_forwardIn a wild-type cell, the function of a protein encoded by a tumor-suppressor gene is to cause a cell to ______. A.) stop dividing B.)extend its telomeres C.) grow toward a new blood vessel D.) respond to a growth factorarrow_forwardIn a fly egg, the nurse cells are killed before they can produce bicoid mRNA. What will happen? Group of answer choices A. The larva will develop normally B. The resulting larva will have no head and two tail ends C. The resulting larva will have two heads D. The resulting fly will have legs growing out of its headarrow_forward
- Translational control of gene expression occurs within thea. nucleus.b. cytoplasm.c. nucleolus.d. mitochondria.arrow_forwardHomeotic genes encode proteins that function as a. cell-signaling proteins. b. transcription factors. c. hormones. d. all of the above.arrow_forwardWhich of the following best describes a gene that codes for a tumor-suppressor protein? a. One that helps to prevent progression through the cell cycle. b. One that helps prevent apoptosis. c. One that codes for a DNA repair enzyme. d. One that supports part of a growth factor signaling pathway.arrow_forward
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