Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 10, Problem 20RQ
Many of the negative regulator proteins of the cell cycle were discovered in what type of cells?
- gametes
- cells in G0
- cancer cells
- stem cells
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When considering the stages of the cell cycle, which stage is best associated with
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The cell in image is ...
in interphase
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and one conclusion that can be drawn is :
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In the depiction of the cell cycle in the figure above, what does step 2 represent?
A pair of duplicated homologous chromosomes after S phase
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Chapter 10 Solutions
Biology 2e
Ch. 10 - Figure 10.6 Which of the following is the correct...Ch. 10 - Figure 10.13 Rb and other proteins that negatively...Ch. 10 - Figure 10.14 Human papillomavirus can cause...Ch. 10 - A diploid cell has ________ the number of...Ch. 10 - An organism s traits are determined by the...Ch. 10 - The first level of DNA organization in a...Ch. 10 - Identical copies of chromatin held together by...Ch. 10 - S. Chromosomes are duplicated during what stage of...Ch. 10 - Which of the following events does not occur...Ch. 10 - The mitotic spindles arise from which cell...
Ch. 10 - Attachment of the mitotic spindle fibers to the...Ch. 10 - Unpacking of chromosomes and the formation of a...Ch. 10 - Separation of the sister chromatids is a...Ch. 10 - The chromosomes become visible under a light...Ch. 10 - The fusing of Golgi vesicles at the metaplhase...Ch. 10 - At which of the cell-cycle checkpoints do external...Ch. 10 - What is the main prerequisite for clearance at the...Ch. 10 - If the M checkpoint is not cleared, what stage of...Ch. 10 - Which protein is a positive regulator that...Ch. 10 - Many of the negative regulator proteins of the...Ch. 10 - Which negative regulatory molecule can trigger...Ch. 10 - are changes to the order of nucleotides in a...Ch. 10 - A gene that codes for a positive cell-cycle...Ch. 10 - A mutated gene that codes for an altered version...Ch. 10 - Which molecule is a Cdk inhibitor that is...Ch. 10 - Which eukaryotic cell-cycle event is missing in...Ch. 10 - FtsZ proteins direct the formation of a...Ch. 10 - Compare and contrast a human somatic cell to a...Ch. 10 - What is the relationship between a genome,...Ch. 10 - Eukaryotic chromosomes are thousands of times...Ch. 10 - Briefly describe the events that occur in each...Ch. 10 - Chemotherapy drugs such as vincristine (derived...Ch. 10 - Describe the similarities and differences between...Ch. 10 - List some reasons why a cell that has just...Ch. 10 - What cell-cycle events will be affected in a cell...Ch. 10 - Describe the general conditions that must be met...Ch. 10 - Compare and contrast the roles of the positive...Ch. 10 - What steps are necessary for Cdk to become fully...Ch. 10 - Rb is a negative regulator that blocks the cell...Ch. 10 - Outline the steps that lead to a cell becoming...Ch. 10 - Explain the difference between a proto-oncogene...Ch. 10 - List the regulatory mechanisms that might be lost...Ch. 10 - ______ can trigger apoptosis if certain cell-cycle...Ch. 10 - Name the common components of eukaryotic cell...Ch. 10 - Describe how the duplicated bacterial chromosomes...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- S. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphasearrow_forwardIn the cell cycle, at which stages do two chromatids make up one chromosome? a. beginning of mitosis b. end of G1 c. beginning of S d. end of mitosis e. beginning of G2arrow_forwardA tumor suppressor protein, p21, inhibits Cdk1. The earliest effect p21 on the cell cycle would be to stop the cell cycle at: a. early G1. b. late G1. c. the S phase. d. G2. e. the mitotic prophase.arrow_forward
- Which one of the following statements best describes the mechanism by which the "cell cycle control system" regulates events of the cell cycle? O Hydrophobic signaling molecules cross the plasma membrane at distinct stages in the cell cycle O Ca++ and CAMP release into the nucleus signal the progression of the cell cycle Changes in vesicle trafficking events signal progression of the cell cycle Changes in the cellular cytoskeleton signal progression of the cell cycle Protein phosphorylation and dephosphorylation events signal the progression of the cell cyclearrow_forwardWhich of the following is least likely to result in the formation of a cancerous cell? A Dysfunction results in the permanent activation of a cell division pathway in the absence of the appropriate ligand. B с D Separation of chromatids during mitosis occurs without all centromeres being attached to spindle fibers from both poles. A dysfunction in a cell cycle checkpoint prevents a cell from entering the S phase. A dysfunction causes the inability to produce cancer-suppressing proteins.arrow_forwardIn which phase of the cell cycle do sister chromatids exist? GO G3 G2 G1arrow_forward
- What promoting entry into the cell cycle are conserved across species. G1 CDKs inhibit a transcrip-tional repressor. This allows the transcription of G1/S phase cyclin genes and other genes important for S phase.arrow_forwardwhich of the following represents the amount of DNA in a typical human somatic Cell at the G2 stage of the cell cycle?n= number of chromosomes n 2n 4n 8narrow_forwardWhich stage of the cell cycle is the longest? Why are onion root tips a good choice for viewing cells in different stages of the cell cycle? Are there any mammalian cells that would be a good source for dividing cells? What types of cells would most like NOT have cells undergoing division?arrow_forward
- What is the purpose of checkpoint in cell cyclearrow_forwardWhich of the following statements correctly describes how cells progress through the various stages of the cell cycle? Controlled expression and degradation of both cyclins and cdks Controlled expression and degradation of only cyclins Fixed time frame for each phase of the cell cycle independent of protein expression O Controlled expression and degradation of only cdksarrow_forwardWhich of the following would result in cell cycle arrest? O phosphorylation of Rb by G1-Cdk phosphorylation of p53 O phosphorylation of helicase by S-Cdk phosphorylation of M-Cdk by CAK phosphorylation of APC by M-Cdkarrow_forward
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license