Campbell Biology in Focus (2nd Edition)
Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 9, Problem 9TYU

FOCUS ON EVOLUTION

The result of mitosis is that the daughter cells end up with the same number of chromosomes that the parent cell had. Another way to maintain the number of chromosomes would be to carry out cell division first and then duplicate the chromosomes in each daughter cell. Assess whether this would be an equally good way of organizing the cell cycle. Explain why evolution has not led to this alternative.

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describe what would occur if cells were in mitosis more than they were in interphase?
Biology Name: Date: Period: Mitosis Worksheet The diagram below shows six cells in various phases of the cell cycle. Note the cells are not arranged in the order in which mitosis occurs and one of the phases of mitosis occurs twice. Use the diagram to answer questions 1-7. Phases of the Cell Cycle 1) Cells A and F show an early and a late stage of the same phase of mitosis. What phase is it? 2) Which cell is in metaphase? 3) Which cell is in the first phase of mitosis? 4) In cell A, what structure is labeled X? 5) Which cell is in the "in between" phase of mitosis? 6) Place the diagrams in order from first to last. 7) Are the cells depicted plant or animal cells? Explain your answer. 8) What is the longest phase of the cell cycle? 9) Why is mitosis important?
Review the stages of the eukaryotic cell cycle. Suppose a 2N= 4 cell goes through interphase. What are the number and structure of the chromosomes during: G1 phase? S phase? G2 phase? If an N= 3 cell undergoes mitosis, what will be the number and structure of the chromosomes the start of mitosis? What will the number and structure of the chromosomes be at the end of mitosis and cytokinesis?
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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