Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Chapter 15.4, Problem 3CC
Summary Introduction
To determine: The activation of the gene on Philadelphia chromosome that codes for intracellular tyrosine kinase, contributing to the development of cancer.
Concept introduction:
Tyrosine kinase belongs to the group of protein kinases. It catalyzes the addition of a phosphate group from the ATP molecule generated, to a protein molecule. This addition aids in transferring a signal that induces the cell to divide.
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List and describe 4 of the main regulators of the cell cycle. Then describe the involvement of a CDK substrate at each stage of the cell cycle: G1, S, G2, M.
2. DESCRIBE (do not just list) three mechanisms that keep the cell cycle moving in only one direction. Then describe how these mechanisms play a role at one specific stage of the cell cycle.
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6. You have just identified a mouse gene that is homologous to other vertebrate…
Modify the diagram above to illustrate specific protein(s) that would participate in regulating this pathway if DNA damage was detected in these cells. What effect would this have on the progression of the cell cycle? If there is more than one possible outcome be sure to outline each one.
. MAKE CONNECTIONS The p53 protein can activategenes involved in apoptosis. Review Concept 11.5, anddiscuss how mutations in genes coding for proteins thatfunction in apoptosis could contribute to cancer.
Chapter 15 Solutions
Bio 121 Campbell Biology Truman College
Ch. 15.1 - Which one of Mendel's laws describes the...Ch. 15.1 - MAKE CONNECTIONS Review the description of...Ch. 15.1 - WHAT IF? Propose a possible reason that the first...Ch. 15.2 - A white-eyed female Drosophila is mated with a...Ch. 15.2 - Neither Tim nor Rhoda has Duchenne muscular...Ch. 15.2 - MAKE CONNECTIONS Consider what you learned about...Ch. 15.3 - When two genes are located on the same chromosome,...Ch. 15.3 - VISUAL SKILLS For each type of offspring of the...Ch. 15.3 - Prob. 3CCCh. 15.4 - Prob. 1CC
Ch. 15.4 - Prob. 2CCCh. 15.4 - Prob. 3CCCh. 15.5 - Gene dosagethe number of copies of a gene that are...Ch. 15.5 - Reciprocal crosses between two primrose varieties,...Ch. 15.5 - WHAT IF? Mitochondrial genes are critical to the...Ch. 15 - What characteristic of the sex chromosomes allowed...Ch. 15 - Why are males affected by X-Iinked disorders much...Ch. 15 - Why are specific alleles of two distant genes more...Ch. 15 - Prob. 15.4CRCh. 15 - Explain how genomic imprinting and inheritance of...Ch. 15 - A man with hemophilia (a recessive, sex-linked...Ch. 15 - Pseudohypertrophic muscular dystrophy is an...Ch. 15 - A wild-type fruit fly (heterozygous for gray body...Ch. 15 - A planet is inhabited by creatures that reproduce...Ch. 15 - Using the information from problem 4, scientists...Ch. 15 - A wild-type fruit fly (heterozygous for gray body...Ch. 15 - Assume that genes, A and B are on the same...Ch. 15 - Two genes of a flower, one Controlling blue (B)...Ch. 15 - You design Drosophila crosses to provide...Ch. 15 - Banana plants, which are triploid, are seedless...Ch. 15 - EVOLUTION CONNECTION Crossing over is thought to...Ch. 15 - SCIENTIFIC INQUIRY DRAW IT Assume you are mapping...Ch. 15 - WRITE ABOUT A THEME: INFORMATION The continuity of...Ch. 15 - SYNTHESIZE YOUR KNOWLEDGE Butter flies have an X-Y...
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- Describe three changes in cell cycle control and regulatory proteins that lead to cancer.arrow_forwardA. Name the two proteins that induce a negative feedback in this pathway and explain why both feedback mechanisms exist? B. Discuss how a mutation resulting in an aberrant protein could cause changes in the cell cycle leading to uncontrolled cell division. Explain what the effect of the mutation would be on the protein’s function and what the effect will be on downstream proteins leading to enhanced cell cycle progressionarrow_forwardDiscuss the complete cell cycle in a human cell, mitosis and meiosis, and the regulatory components (i.e. the proteins associated with cellular checkpoints) of the cell cycle. Tumor growth results when the cell cycle checkpoints are ignored. Give an example of how tumor growth could result from either a loss-of-function or a gain-of-function mutation.arrow_forward
- Describe the effects of the mutation causing the p21 promoter to no longer bind p53 on cell signaling pathways and metabolism or cell cycle control.arrow_forwardQ. Cyclins and CDK(inase) complexes regulate the cell cycle. Which of the following statements is true? A. Cyclins activate CDKs which remove phosphates from other proteins. B. Cyclins activate CDKs which add phosphates to other proteins. C. CDKs activate cyclins which remove phosphates from other proteins. D. CDKs activate cyclins which add phosphates to other proteins.arrow_forwardWhen regulating the cell cycle of eukaryotic cells, a critical protein we discussed was cyclin. Cyclin is Select one: a. Always present in all stages of the cell cycle, but only active during the G1 - R transition b. Produced in response to signals for the cell to divide c. Produced only when retinoblastoma protein is inactivated d. Produced in response to the presence of cyclin-dependent kinasearrow_forward
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