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 36CTQ
Describe the general conditions that must be met at each of the three main cell-cycle checkpoints.
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Describe the purpose of cell cycle checkpoints.
Which of the three cell cycle checkpoints represents the most important commitment for the cell to divide?
a. Why are cell cycle checkpoints important?
b. What happens to a cell that fails to meet the requirements of a checkpoint and is not able make the necessary improvements or repairs?
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
- Describe the three most important cell cycle checkpoints. Explain in a detailed manner and provide some sample scenarios.arrow_forwardWhat cell-cycle events will be affected in a cell that produces mutated (non-functional) cohesin protein?arrow_forwardExplain and give the importance of cell cycle checkpoints in the different phase of the cell cycle.arrow_forward
- If the S cyclin is mutated at its phosphorylation site, which checkpoint will be affected? Which conditions will escape from control during the cell cycle?arrow_forwardIn cell cycle, under the control system, explain in details (including roles of related proteins): During M phase, how M-Cdk can trigger cohesin dissociation as well as Mad2 triggers mitotic checkpoint to delay metaphase to anaphase transition.arrow_forwardWhat factors needed to proceed with the cell cycle of G1 checkpoint?arrow_forward
- What are cell cycle checkpoints? Where in the cell cycle are the checkpoints found (note—incude S phase checkpoint? How do they differ? How are Rb, p53, and MPF involved in cell cycle checkpoints? What events could lead to cell cycle arrest?arrow_forwardList and briefly describe three major cell cycle checkpoints. For each checkpoint, predict the consequences if the checkpoint fails to work properly.arrow_forwardWhat are the needed materials/molecules of Mitotic checkpoint?arrow_forward
- What aspects of the cell cycle are controlled by the G1, G2, and M checkpoints? How are cyclins and cyclin-dependent protein kinases involved in cell cycle regulation at checkpoints?arrow_forwardWhat does known as checkpoint pathwaysestablish dependencies among cell cycle events and ensure that the next cell cycle event does not occur prior to the com-pletion of a preceding event.arrow_forwardBriefly explain the check-points of the cell cycle.arrow_forward
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