Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 10, Problem 7SQ
Summary Introduction
Introduction: A set of regulatory genes that function together to organize the formation of body pattern during the early development is called as homeotic genes. Homeotic proteins either stimulate or suppress the genes, which may lead to the dislocation of the body parts. These genes code for the transcription factor that has a region called homeodomain and are called as Hox genes that are mostly found in vertebrates.
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6. _____ is a DNA sequence.
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I am confused about how stem cell transplants works. If you put a semi differentiated tadpole nucleus in a denucleated egg cell, it’ll develop into a fully formed tadpole, but if you put a fully differentiated tadpole nucleus, it won’t (because the genes have already been expressed in a way where the cytoplasmic determinants cannot operate to the fullest). Then how come in stem cell transplants, you use adult nucleuses that are already developed and transplant them into the denucleated egg cells?
Chapter 10 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Gene expression does not vary by ___ . a. cell...Ch. 10 - Binding or ___ to ___ in DNA can increase the rate...Ch. 10 - Muscle cells differ from bone cells because they...Ch. 10 - Prob. 4SQCh. 10 - Mechanisms that govern gene expression do not...Ch. 10 - Prob. 6SQCh. 10 - Prob. 7SQ
Ch. 10 - Prob. 8SQCh. 10 - Which of the following includes all of the others?...Ch. 10 - Prob. 10SQCh. 10 - Prob. 11SQCh. 10 - A cell with a Barr body is ___ . a. a bacterium b....Ch. 10 - Prob. 13SQCh. 10 - Which of the following statements is incorrect? a....Ch. 10 - Prob. 15SQCh. 10 - Explain why somebut not allof an organism's genes...Ch. 10 - Do the same mechanisms that govern gene expression...Ch. 10 - Prob. 3CTCh. 10 - The photos below show flowers from two Arabidopsis...
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- Gene expression does not vary by ________. a. cell type c. stage of development b. extracellular conditions d. the genetic codearrow_forwardHow does gene activation lead to cell differentiation? Explain the correct answer and explain why the others are wrong. A. Different genes are activated in different cells, causing each cell to have a unique funcation B. The same genes are actives in every cell of your body, causing every cell to function the same C. Certain cells only have parts of DNA that causes cell deferentiation D. Unique genes are in different cells, causing each cell to have a unique functionarrow_forwardApoptosis O is programmed cell death. O is a process that acts to decrease the number of somatic cells. O frees the fingers and toes of the human embryo from their webbed structure to independent structures. O All of the choices are correct. PRINECOMA3_...pptx MacBook Air F3 F4 F5 F6 F7 F8 F9 #3 2$ & 4 8. E R Y U D K C- V 3D V Barrow_forward
- g protein D. Growth factor receptor ng Tool 0 Q ing C. Growth factor-binding protein D. Growth factor receptor E. Transcription activator A child with retinoblastoma is found to have a 13q14 deletion. The Rb gene, which resides at this locus, produces which kind of tumor-associated protein? A. Cell cycle regulator B. Growth factor ㅂ분 요 9 12 W □ @ 2 C Edit in Paint 8 60 8 Focusarrow_forwardHomeotic genes are genes that ________. activate and inactivate other genes code for important cellular proteins such as actin and myosin are only transcribed during the first4 hours of embryonic development are only found in vertebratesarrow_forwarddont know the orderarrow_forward
- Homeotic gene products _______. a. flank a bacterial operon b. map out the overall body plan in embryos c. control the formation of specific body partsarrow_forwardGene expression is required to give cells ________. longevity longevity unique genes unique genes unique specializationsarrow_forward. A researcher attempts to extract specific cells from a human kidney to regenerate and repair a patient's damaged kidney cells. The type of cells the researcher uses are _____. a totipotent stem cells b adult stem cells c embryonic stem cells d pluripotent stem cellsarrow_forward
- With regard to cancer cells, which of the following statementsare true?A. Cancer cells are clonal, which means they are derived from asingle mutant cell.B. To become cancerous, cells usually accumulate multiplegenetic changes that eventually result in uncontrolledgrowth.C. Most cancers are caused by oncogenic viruses.D. Cancer cells have lost the ability to properly regulate celldivision.arrow_forwardIn a simple sentence, can youarrow_forward5. This diagram illustrates regulation of the Pitx-1 gene, which is expressed in various cell types • during certain stages of animal embryonic development. Answer the questions that follow: Promoter Coding Region Pelvis Olfactory Jaw Regulatory Segments ("Switches") a. Which portion of this sequence gets transcribed and translated into a protein? b. Which portion of this sequence underwent a deletion mutation in certain species of freshwater stickleback fish? Did that mutation have an impact on the amino acid sequence of the protein, when it was expressed? С. d. If this switch underwent the same mutation in a turtle embryo, how would the turtle's phenotype be impacted? е. Would this phenotypic change in the turtle likely be adaptive? Briefly explain.arrow_forward
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