Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 12, Problem 3IQ
The following diagrams will depict the five stages of mitosis in an animal cell after you draw in the missing chromosomes and kinetochore microtubules in stages c, d, and e. For simplicity, this cell has only four chromosomes, as you can see in stages b and f. Identify the stages and label the indicated structures.
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List in each blank the description of events associated with each stage of mitosis in addition to the preparatory stage Interphase. Some events and structures occur only in plant cells and some in animal cells. Mark these events in the list with an asterisk.
The phases of mitosis are shown in Figure 6.4. Mitosis is the type of nuclear division that occurs when an
animal or plant grows larger and when injury heals. Two daughter cells result because there is only one round of
division, and it keeps the chromosome number constant (same as the parent cell). The prophase cell in Figure 6.4
has the same number of chromosomes as the telophase nuclei in Figure 6.4. Explain the different appearance of
the chromosomes.
Review the events associated with each stage of mitosis in addition to the preparatory stage, interphase. List these events in table. Some events and structures occur only in plant cells and some occur only in animal cells. Mark these events in your list with an asterisk. This list can serve as an excellent study guide, so be as complete as possible.
Interphase
Prophase
Prometaphase
Metaphase
Anaphase
Telophase
Chapter 12 Solutions
Study Guide for Campbell Biology
Ch. 12 - a. How many chromosomes are in your somatic cells?...Ch. 12 - a. What event is common to all three subphases of...Ch. 12 - The following diagrams will depict the five stages...Ch. 12 - a. What is MPF? b. Describe the relative...Ch. 12 - In the following photomicrograph of onion root tip...Ch. 12 - Describe one chromosome as it proceeds through an...Ch. 12 - Draw a sketch of one half of a mitotic spindle....Ch. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - Prob. 3TYKF
Ch. 12 - Prob. 4TYKFCh. 12 - Prob. 5TYKFCh. 12 - Prob. 6TYKFCh. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - Prob. 8TYKFCh. 12 - Prob. 9TYKFCh. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - One of the differences between prokaryotic binary...Ch. 12 - Prob. 2TYKCh. 12 - Prob. 3TYKCh. 12 - Prob. 4TYKCh. 12 - Prob. 5TYKCh. 12 - In eukaryotic organisms, chromosomes are...Ch. 12 - Prob. 7TYKCh. 12 - Prob. 8TYKCh. 12 - Prob. 9TYKCh. 12 - Prob. 10TYKCh. 12 - During cell division, cyclin combines with...Ch. 12 - Prob. 12TYKCh. 12 - Prob. 13TYKCh. 12 - Prob. 14TYKCh. 12 - Vinblastine is a chemotherapeutic drug used to...
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- Which of the following statements are true regarding mitosis in humans? (Check all that apply) 46 pairs of sister chromatids are separated 46 pairs of homologous chromosomes are separated 23 pairs of sister chromatids are separated 23 pairs of homologous chromosomes are separated two genetically identical daughter cells are produced four haploid gametes are produced in males 1 haploid gamete and 2 polar bodies are produced in femalesarrow_forwardDraw diagrams for each phase of Mitosis in the correct order. Including Mitosis as part of the cell cycle is beneficial but not required. Identify the most important relevant details about each phase. There are at least 2 details or terms associated with each phase. Please use the proper names for parts such as centromeres, spindle fibres, etc.arrow_forwardA simple diagram indicating the alterations in genetic content throughout mitosis could be prepared as follows: 2n 2n 2n duplicated 4n 2n above). Include all of the cells generated at each stage. (G1) (S phase) (G2, Prophase, Metaphase) (Anaphase) (Telophase) (Cytokinesis) prepare a similar diagram for meiosis, starting with a diploid cell in G1 (asarrow_forward
- 1) What phase of mitosis is this? Answer: 2) What is the indicated structure 1? select one. a. chromosome b. chromosome with two sister chromatids c. centrioles/centrosome d. spindle fibres e. metaphase plate 3)If the diploid (2n) number of this cell is 8 how many chromosomes are present? 4) If the diploid (2n) number of this cell is 8 how many sister chromatids are present? 5) If the diploid (2n) number of this cell is 8 how many homologous pairs are present?arrow_forwardThe following diagram shows a simulated microscopic view of a tissue sample taken from a patient where the cells have been squashed onto a slide and stained to visualize the cell's DNA. In the diagram, click or tap on the center of all cells that appear to be involved in any of the four stages of mitosis. Make sure to mark as close to the center of the cell as possible. In the diagram from Question 5, count the total number of cells visible and write the total number of cells in the space below: In the diagram from Question 5, count the number of cells that you had marked as currently undergoing any of the four phases of mitosis. How many cells in total are currently undergoing mitosis? Write this number in the space below: The mitotic index is a calculated value that represents the percentage of cells in a sample that are actively dividing. It involves counting the total number of cells present including those actively dividing or those in interphase, the total number of cells that…arrow_forward(c) State TWO importance of mitosis in multicellular organism. I: II: (d) Diagram below shows structure P in cell S which is failed to form completely. Structure P Cell S State the chromosomal number in parent cell and the daughter cells formed. Parent cell: Daughter cell 1: Daughter cell 2:arrow_forward
- Using the following clues, correctly label the steps of mitosis. Rewrite the phase only in the correct box Interphase Prophase (Visible) Metaphase (Middle) Anaphase (Apart) Telophase (Two)arrow_forwardWhich of the following is the correct order of events in mitosis? (Arrange accordingly) Sister chromatids line up at the metaphase The kinetochore becomes attached to the mitotic spindle. The nucleus reforms and the cell divides. Cohesin proteins break down and the sister chromatids separate. The kinetochore becomes attached to the mitotic Cohesin proteins break down and the sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the cohesin Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the mitotic Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the cell divides. Chemotherapy drugs such as vincristine and colchicine disrupt mitosis by binding to…arrow_forwardThe following pairs of term differentiate mitosis from meiosis. Describe the pair of terms briefly. 1. Somatic cells vs. sex cells 2. Haploid cells vs. Diploid cells 3. Homologous chromosomes vs. Sister chromatids 4. Daughter cells vs. 2 daughter cells 5. 2n = 6 vs n = 3arrow_forward
- For below problem, consider a diploid cell that contains three pairs of chromosomes designated AA, BB, and CC. Each pair contains a maternal and a paternal member (e.g., Am and Ap). Using these designations, demonstrate your understanding of mitosis and meiosis by drawing chromatid combinations as requested. Be sure to indicate when chromatids are paired as a result of replication and/or synapsis. You may wish to use a large piece of brown manila wrapping paper or a cut-up paper grocery bag for this project and to work in partnership with another student. We recommend cooperative learning as an efficacious way to develop the skills you will need for solving the problems presented throughout this text. Question: Assume that each gamete resulting from Problem 29 fuses, in fertilization, with a normal haploid gamete. What combinations will result? What percentage of zygotes will be diploid, containing one paternal and one maternal member of each chromosome pair?arrow_forwardWhich of the following statements are true regarding mitosis in humans? 23 pairs of homologous chromosomes are separated four haploid gametes are produced in males 46 pairs of homologous chromosomes are separated two genetically identical daughter cells are produced 23 pairs of sister chromatids are separated 46pairs of sister chromatids are separated 1 haploid gamete and 2 polar bodies are produced in femalesarrow_forwardDiagram metaphase and anaphase of mitosis, meiosis I and meiosis II in a cell containing two different chromosome types (2n=4). Label the spindle fibers, homologous chromosomes, and sister chromatids. Count the total number of chromatids present at each stage.arrow_forward
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