47. True of mitosis except: A. is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets in two nuclei. B. It is generally followed immediately by cytokinesis, which divides the nuclei, cytoplasm, organelles and cell membrane into two cells containing roughly equal shares of these cellular components. C.Mitosis and cytokinesis together define the mitotic (M) phase of the cell cycle

47. True of mitosis except: A. is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets in two nuclei. B. It is generally followed immediately by cytokinesis, which divides the nuclei, cytoplasm, organelles and cell membrane into two cells containing roughly equal shares of these cellular components. C.Mitosis and cytokinesis together define the mitotic (M) phase of the cell cycle

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter10: Chromosomes, Mitosis, And Meiosis

Section10.2: The Cell Cycle And Mitosis

Problem 5LO

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Match the stage of mitosis with the following key events.
1.) Some of the events that occur during mitosis are as follows: 1. separation of sister chromatids to opposite poles 2. condensation of chromatin into compact chromosomes 3. alignment of chromosomes along the cell equator 4. reappearance of nuclear membrane Using the numbers above, match the above-mentioned events occurring during mitosis with the stages in which they occur. Prophase _____ Metaphase _____ Anaphase _____ Telophase 2.) Four different phases that occur during the mitotic phase of cell cycle are as follows: 1. prophase 2. telophase 3. anaphase 4. metaphase The correct order in which phases of the mitotic division occur after G2 phase is __________, _____________, ___________ and ___________.
1. Mitosis: a. Are the chromosomes at each pole during telophase identical to chromosomes in the original cell (prior to S phase of cell cycle)? b. Are the new daughter cells genetically identical to the original cell? c. Does crossing over occur in mitosis? Explain.
List at least five (5) significance of mitosis.
4. Figure below shows drawings of a cell at various stages in the mitotic cell cycle. A B E (a) List the letters shown in figure above in the order in which these stages occur during a mitotic cell cycle. [2] (b) Explain what is happening in stage D in figure above. [2]
The proteins necessary for cytokinesis are producedduring mitosis. True or False, explain
In mitosis, why do the chromosomes need to condense in prophase and line up in metaphase? (To be clear, this is asking about the usefulness of these specific actions, not just that those things need to happen as part of the overall process.)
33. Which of the following is NOT a phase associated with cellular mitosis? A. cellophase B. metaphase C. Anaphase D. Telophase
. 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…
1. (a) Describe the generalized model of the cell cycle. Demonstrate how cyclins and cyclin-dependent kinases can regulate the cell cycle. (b). Describe three ways in which cells lose their ability to regulate their growth to become cancerous.
13) A phosphotase removes an inhibitory phosphotyrosine phosphate from the serine protein kinase, in MPF whcih activates the kinase and triggers the initiation of mitosis. true or false
What is the significant events of the stages in mitosis? (explain in 2-3 sentences)a. Interphase (preparatory) b. Prophasec. Metaphased. Anaphasee. Telophase