Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 9TYU
WRITE ABOUT A THEME: ORGANIZATION Cells arc the basic units of structure and function in all organisms. A key feature in the life cycle of plants is the alternation of multicellular haploid and diploid generations. Imagine a lineage of flowering plants in which mitotic cell division did not occur between the events of meiosis and fertilization (se Figure 30.12). In a Short essay (lOO-150 words), describe how this change in the timing of cell division would affect the structure and lifecycle of plants in this lincagc.
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If plant cells had the following % of their cells in these stages of mitotic cell division and % of cells reflects how much time they spend in each stage:
Interphase=74.9%
Prophase=17.3%
Metaphase=3.3%
Anaphase=D1.8%
Telophase=D2.7%
and Animals had the following %s:
Interphase3D62.5%
Prophase-D31.5%
Metaphase=3.3%
Anaphase=D2.0%
Telophase%3D0.7%.
Which of the following can we NOT conclude?
O A. Both plants and animal cells spend most of their time in interphase, doubling all of the organelles and DNA requires a lot of time.
OB.Animal cells spend more of their time in mitosis (dividing the nucleus) than plant cells do.
O C. Plant cells spend more time in interphase and telophase than animal cells and animal cells spend more time in prophase, and anaphase than plant cells.
OD. Plant cells divide more quickly than animal cells.
A diploid plant cell contains 54 chromosomes (2n=54). Describe the number arrangements of chromosomes in each of the following:
a.A leaf cell immediately following cytokinesis
b.A gametophyte cell at the conclusion of the S phase of mitosis
Consider the similarities and differences in the cell cycles (mitosis and meiosis) of plants and animals.
Describe the Venn diagram in detail.
Chapter 30 Solutions
Campbell Biology (10th Edition)
Ch. 30.1 - Contrast how sperm reach the eggs of seedless...Ch. 30.1 - What features not present in seedless plants have...Ch. 30.1 - WHAT IF? If a seed could not enter dormancy, how...Ch. 30.2 - Use examples from Figure 30.7 to describe how...Ch. 30.2 - Explain how the pine life cycle in Figure 30.4...Ch. 30.2 - Prob. 3CCCh. 30.3 - It is said that an oak is an acorns way of making...Ch. 30.3 - Compare and contrast a pine cone and a flower in...Ch. 30.3 - WHAT IF? Do speciation rates in closely related...Ch. 30.4 - Explain why plant diversity can be considered a...
Ch. 30.4 - Prob. 2CCCh. 30 - Describe how the parts of an ovule (integument....Ch. 30 - Although there are fewer Ihan 1,000 spedes of...Ch. 30 - Explain why Darwin called the origin of...Ch. 30 - Prob. 30.4CRCh. 30 - Where in an angiosperm would you find a...Ch. 30 - Prob. 2TYUCh. 30 - With respect to angiosperms, which of the...Ch. 30 - Which of thc following is not a characteristic...Ch. 30 - Gymnosperms and angiosperms liave tlie following...Ch. 30 - DRAW IT Use the letters a-d to label where on the...Ch. 30 - EVOLUTION CONNECTION The history of life has been...Ch. 30 - Prob. 8TYUCh. 30 - WRITE ABOUT A THEME: ORGANIZATION Cells arc the...Ch. 30 - Prob. 10TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- VISUALIZE Sketch a roughly cuboidal cell preparing to divide. Indicate the orientation of the preprophase band and the site where the new cell walls of the daughter cells will form.arrow_forwardPick an organelle or cellular structure that is unique to plants. Explain why this would be necessary for plant survival AND why it isn't necessary in animal cells. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). B I U S Paragraph Arial 10pt A V x X, P QUESTION 21 Double fertilization involves 2 fertilizations, write the cells/nuclei involved with each, their ploidy level (ie. n, n+n, 2n, 3n). with a ploidy level of with a ploidy level of Fertilization 1: ,with a ploidy level of with a ploidy level of with a ploidy level of Fertilization 2: with a ploidy level ofarrow_forwardExplain the similarities and differences on how mitosis and meiosisare used in the plant and human (animal) life cyclearrow_forward
- A researcher examining a root tip observes a plant cell with condensed daughter chromo- somes at each pole and a cell plate at the central plane of the cell. Which of the following best describes what will occur next in the cell? A The nuclear envelopes will break down, and the spindle fibers will begin to form. B с D Sister chromatids will align at the central plane via spindle fibers. The nuclear envelope will break down, and the spindle will begin to form. The chromosomes will decondense, and the daughter cells will enter the interphase.arrow_forwardWhich one of the following statements best describes the mechanism by which the "cell cycle control system" regulates events of the cell cycle? O Hydrophobic signaling molecules cross the plasma membrane at distinct stages in the cell cycle O Ca++ and CAMP release into the nucleus signal the progression of the cell cycle Changes in vesicle trafficking events signal progression of the cell cycle Changes in the cellular cytoskeleton signal progression of the cell cycle Protein phosphorylation and dephosphorylation events signal the progression of the cell cyclearrow_forwardExercise Observe the diagram below and answer the following questions: Image Source: Wikimedia Commons 18₂1)-(²) (Cr)-(1 1. Which process is represented in these diagrams? Mitosis or meiosis? Explain your answer. 2. How many chromosomes did the cell start with? 3. How many chromosomes are present at the end of division I? 4. How many chromosomes are present in each cell at the end of division II? Homologous Chromosomes 5. Explain how meiosis results in UNIQUE cells. 6. Is this cell division occurring in a plant cell or an animal cell? What is the main difference between the two divisions?arrow_forward
- The image shows a section of a root tip of Broad Bean with cells from the region of cell division, just behind the root cap. Five cells have been numbered (1-5). Which statements accurately describe the mechanism by which the cells ensure that chromosomes are passed successfully to the next generation? Select ALL that apply. A - Cell 2 is undergoing anaphase to separate the duplicated chromosomes to opposite poles of the cell. B - Cell 1 lacks chromosomes and cannot contribute genetic material to future cells. C - Cells 4 and 5 have recently divided and are now haploid, containing half of a full set of chromosomes after division. D - Cells 4 and 5 have recently divided and have a cell plate that formed between them. E - Cell 3 is providing a mechanism for increasing genetic diversity in the daughter cells.arrow_forwardStudy the image. What phase during the process of cell division in plants is shown in the image? O anaphase O metaphase O prophase O telophasearrow_forwardCucumis sativus (cucumber) is a diploid plant with 7 chromosome pairs. Determine the following as its cell divides by mitosis or meiosis: a. number of centromeres at Metaphase I b. number of univalents at Anaphase I (per pole) c. number of chromatids at Prophase d. chromosome number at Metaphase chromosome number at Telophase I (after cytokinesis) С. е.arrow_forward
- This cell is a germ cell and goes through meiosis. Draw how this cell would move through the cell cycle and result in the 4 daughter cells shown in Figure 4. You must, at a minimum: Draw the cell in G2, Metaphase I, and Metaphase II Label all sister chromatids and homologous chromosomes in G2 Label the ploidy level of the cell at each stagearrow_forwardActivity 8: Sequencing Meiotic StagesLabel the stage of meiosis in each box below each diagram. Then, cut out each figure and arrange the cells so they reflect the proper order of stages of meiosis -starting with a cell in interphase and ending with the completion of meiosis. Write the letter sequence of the cells in your Lab, Activity #8.AMeiosis in animal cellarrow_forwardDirections: Complete the illustrations that show the differences between mitosis and meiosis. Consider the two-winged fly species Cricotopus sylvestris with chromosome number 2n = 4. Draw the stages (prophase, metaphase, anaphase and telophase with cytokinesis) of the two cell divisions in the corresponding boxes of Table 1. No need to include prometaphase. One box is to one stage. For each stage, draw clearly the appearance and configuration of the cell(s) and the chromosomes. Inspect and refer to slides 10 to 11 of the Cell Division PPT for mitosis and slides 14 and 17 for meiosis. Make sure that when the pictures are zoomed in, they will still be clear. For better illustration, draw the chromosomes with different sizes (inspect and refer to slides 10 to 11 of the Cell Division PPT for mitosis and slides 14 and 17 for meiosis). Use one color for the chromosomes in mitosis and two colors for the chromosomes in meiosis (see slides 10 to 11 of the Cell Division PPT for mitosis and…arrow_forward
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