ETEXT ESSENTIALS OF BIOLOGY
4th Edition
ISBN: 9781259730306
Author: Mader
Publisher: MCG
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Chapter 9, Problem S8.2ABYB
Section 8.2 What events occur during prophase, metaphase, telophase, and anaphase of mitosis?
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What events occur during prophase, metaphase, telophase, and anaphase of mitosis?
what is metaphase of mitosis?
. 2 3 1 4 . 5
6 I 7. ..
(a) Identify the point in mitosis at which separase cleaves the protein complex that holds sister chromatid pairs together. In
normal cells, separase is kept in an inactive state until it is needed. Explain how the progression of cells past sequential cell
cycle checkpoints and the activity of enzymes such as separase is controlled by interactions between two major groups of
regulatory proteins.
(b) Identify an independent variable in the experiment graphed in Figure 1. Based on the data in Figure 1, identify a control
that shows that Sepin-1 rather than something else in the culture medium is inhibiting the growth of the cancer cells.
(c) Based on the data in Table 1, describe the general relationship between the sensitivity of cells to Sepin-1 and the
concentration of separase in the cells. Use the Figure 1 data to calculate the ratio between the amount of Sepin-1 required
to kill 50% of the cells in the cell line that is most sensitive to the compound and the…
Chapter 9 Solutions
ETEXT ESSENTIALS OF BIOLOGY
Ch. 9.1 - Explain the purpose of meiosisCh. 9.1 - Prob. 2LOCh. 9.1 - Prob. 3LOCh. 9.1 - Prob. 4LOCh. 9.1 - Prob. 1CYPCh. 9.1 - Prob. 2CYPCh. 9.1 - Prob. 3CYPCh. 9.1 - Prob. 4CYPCh. 9.1 - Prob. 1ACh. 9.1 - Prob. 2A
Ch. 9.2 - List the phases of meiosis, and briefly describe...Ch. 9.2 - Prob. 2LOCh. 9.2 - Prob. 1CYPCh. 9.2 - Prob. 2CYPCh. 9.2 - Prob. 3CYPCh. 9.2 - Prob. 3ACh. 9.2 - Prob. 4ACh. 9.2 - Prob. 5ACh. 9.2 - Prob. 6ACh. 9.2 - Prob. 7ACh. 9.2 - Prob. 8ACh. 9.2 - Prob. 9ACh. 9.2 - Prob. 10ACh. 9.2 - Prob. 11ACh. 9.3 - Contrast the events of meiosis I and meiosis II...Ch. 9.3 - Prob. 2LOCh. 9.3 - Prob. 1CYPCh. 9.3 - Prob. 2CYPCh. 9.3 - Summarize the major differences among the stages...Ch. 9.3 - Prob. 12ACh. 9.3 - Prob. 13ACh. 9.3 - Prob. 14ACh. 9.4 - Prob. 1LOCh. 9.4 - Prob. 2LOCh. 9.4 - Prob. 3LOCh. 9.4 - Describe how a zygote can receive an abnormal...Ch. 9.4 - Contrast monosomy with trisomy.Ch. 9.4 - Prob. 3CYPCh. 9.4 - Prob. 15ACh. 9.4 - Prob. 16ACh. 9 - Prob. S4.4BYBCh. 9 - Section 8.2 What events occur during prophase,...Ch. 9 - Prob. S8.2BYBCh. 9 - Prob. 1BYBCh. 9 - Prob. 2BYBCh. 9 - Prob. 3BYBCh. 9 - Prob. S10.1CTCCh. 9 - Prob. S14.1CTCCh. 9 - Prob. S9.2CTCCh. 9 - Although most men with Klinefelter syndrome are...Ch. 9 - Prob. 2TCCh. 9 - Prob. 3TC
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- What is the genetic significance of mitosis (I.e., how do the daughter cells compare to the original parent cell on their genetic makeup)?arrow_forwardhow does the number of chromosomes compare during the g1 stage of interphase and the metaphase stage of mitosis?arrow_forwardWhat would happen if sister chromatids did not break apart during anaphase of mitosis?arrow_forward
- Even though cytokinesis is included with Mitosis, we generally consider it to be its own phase. Why? by the time cytokinesis occurs, the cell has already split by the time cytokinesis occurs, the cytoplasm has already split by the time cytokinesis occurs, the nucleus has already split by the time cytokinesis occurs, the cell has copied all of its chromosomesarrow_forwardWhat happens to sister chromatids during anaphase of mitosis?arrow_forwardList the events that occur during prophase, metaphase,anaphase, and telophase of mitosis.arrow_forward
- Which of the following represents the correct order of the phases of mitosis?arrow_forwardIn mitosis, what chromatid combination(s) will be present during metaphase? What combination(s) will be present at each pole at the completion of anaphase?arrow_forwardHow would Mitotic cohesin fails to form early in mitosis affect the outcome of mitosis or meiosis?arrow_forward
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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY