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 7RQ
What is necessary for a cell to pass the
a. cell has reached a sufficient size
b. an adequate stockpile of
c. accurate and complete
d. proper attachment of mitotic spindle fibers to kinetochores
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What is necessary for a cell to pass the G2 checkpoint?a. cell has reached a sufficient sizeb. an adequate stockpile of nucleotidesc. accurate and complete DNA replicationd. proper attachment of mitotic spindle fibers to kinetochores
4) Describe in detail how p53 and MDM2 regulate cell division in a normal, healthy cell. You
should describe 1) how these proteins cooperate to allow a cell to go through the cell cycle, 2)
how they cooperate to stop the cell cycle, and 3) how they allow the cell cycle to continue again
after having stopped it initially. You may use point form if you want.
What part of the cell cycles are checkpoints that regulate the transition from anaphase to telophase?
A.
M checkpoint
B.
G2 checkpoint
C.
G1 checkpoint
D.
S checkpoint
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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- Biologists have long been interested in the effects of radiation on cells. In one experiment, researchers examined the effect of radium on mitosis of chick embryo cells growing in culture. A population of experimental cells was examined under the microscope for the number of cells in telophase (as a measure of mitosis occurring) before, during, and after exposure to radium. The results are shown in the Figure. What is the effect of radium exposure on mitosis? Source: R. G. Canti and M. Donaldson. 1926. The effect of radium on mitosis in vitro. Proceedings of the Royal Society of London, Series B, Containing Papers of a Biological Character 100:413419.arrow_forwardThe individual chromosomes become visible with a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forward6) What phase of the cell cycle would be altered, and what would change if you treated a cancer cell with a drug that a) interfered with DNA replication. b) stopped the spindle fibers from elongating.arrow_forward
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