Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 6, Problem 9RQ
A gene that codes for a positive cell cycle regulator is called a(n) _______.
a. kinase inhibitor
b. tumor suppressor gene
c. proto-oncogene
d. oncogene
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Chapter 6 Solutions
Concepts of Biology
Ch. 6 - Figure 6.4 Which of the following is the correct...Ch. 6 - A diploid cell has _ ____ the number of...Ch. 6 - An organism’s traits are determined by the...Ch. 6 - Chromosomes are duplicated during what portion of...Ch. 6 - Separation of the sister chromatids is a...Ch. 6 - The individual chromosomes become visible with a...Ch. 6 - What is necessary for a cell to pass the G2...Ch. 6 - ________ are changes to the nucleotides in a...Ch. 6 - A gene that codes for a positive cell cycle...Ch. 6 - Which eukaryotic cell-cycle event is missing in...
Ch. 6 - FtsZ proteins direct the formation of a ________...Ch. 6 - Compare and contrast a human somatic cell to a...Ch. 6 - Describe the similarities and differences between...Ch. 6 - Outline the steps that lead to a cell becoming...Ch. 6 - Explain the difference between a proto-oncogene...Ch. 6 - Name the common components of eukaryotic cell...
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- An individual can inherit a gene in which expression has been altered by an ________ change with no mutation of the gene sequence. Choose the description in column 2 that best matches each gene in column 1. p53 c-myc A. tumor suppressor gene B. oncogenearrow_forwardA mutated gene that codes for an altered version of Cdk that is active in the absence of cyclin is a(n) _____. a. kinase inhibitor. b. tumor suppressor gene. c. proto-oncogene. d. oncogene.arrow_forward________ are changes to the nucleotides in a segment of DNA that codes for a protein.a. Proto-oncogenesb. Tumor suppressor genesc. Gene mutationsd. Negative regulatorsarrow_forward
- These genes are involved in normal cell growth and division, but if mutated, could become more active than normal and lead to cancer cell formation. A. Oncogenes B. Tumor suppressor genes C. Proto oncogenes D. All of thesearrow_forwardA tumor suppressor gene ___regulates the cell cycle; an example is _____. Select one: a. negatively, cyclin b. positively, retinoblastoma c. positively, p21 d. negatively, retinoblastoma e. positively, RASarrow_forwardA tumor suppressor gene regulates the cell cycle; an example is . Select one: a. positively, p21 b. negatively, cyclin c. positively, retinoblastoma d. negatively, retinoblastoma e. positively, RAS Cycle HW due Jump to. 4) Next pa cancer stem cellsarrow_forward
- Match the gene on the left with the gene category on the right. ERBB2 E-cadherin BRCA1 Cdk4 A. oncogene B. proto-oncogene C. low expression in invasive cells D. tumor suppressor genearrow_forwardP53 is a tumor suppressors protein. The protein is present in the cell at all times but is activated by protein kinases that are, in turned activated by DNA damage. A mutation of the P 53 gene in cell results in a form of P53 that is permanently active. What would happen to the mutant version of the P53 gene? Group of answer choices A. it would spread to neighboring cells but not very far B. it would be found in tumor cells only C. it would take over the world and make us all do its bidding D. it would only be found in the original cell in which the mutation occurred E. it would spread to all cells in the bodyarrow_forwardSometimes, malignant cells do not stay properly anchored in tissues because of the loss of function of: a. cell walls b. oncogenes c. plasma membrane adhesion proteins d. nuclear membranes e. tumor suppressor genesarrow_forward
- Which of the following demonstrates the link between oncogenes and cancer? a.Oncogenes do not have mutations that increase the activity or number of molecules that stimulate mitosis. b.Oncogenes produce molecules that inhibit mitosis. c.They are genes that transform tumor cells into normal cells. d.The mutations in oncogenes increase the activity or number of molecules that stimulate mitosis, leading to irregular cell division.arrow_forwardMutations in the ras gene family induce normal cells to proceed into the replication cycle. This converts the ras gene from a ________ gene to a ________ gene. a. proto-oncogene; oncogene b. oncogene; proto-oncogene c. mutant; oncogene d. tumor suppressor; proto-oncogenearrow_forwardWhy would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy year old person compared to a ten year old person? Group of answer choices A. the p53 gene never works well in old people B. cells divide more rapidly as people get older C.The seventy year old is more likely to have pre-existing failures in cell cycle control D. there are fewer mutations in genes controlling the cell cycle in older peoplearrow_forward
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