Biology (MindTap Course List)
10th Edition
ISBN: 9781285423586
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 33, Problem 13TYU
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.
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Students have asked these similar questions
the light micrograph shows dividing cells near the tip of an onion root. identify and encircle a cell in each of the following stages: phrophase , prometaphase, metaphase ,anaphase and telophase. describe the major events occuring at each stage.
Count 100 cells and tally them. Remember the phases you learned in Bio 31 and Anatomy? Draw a pie chart graph showing the phases of Allium root tip.
Label each of the phases with the % for each phase:
prophase
metaphase
anaphase
telophase
interphase
provide direction of the phase progression--direction in which to read the graph so the phases of mitosis are in proper order.
MIosis
Method:
Observations of onion root tip squash.
Scan the microscope under the 10x objective. Look for the region that has large
nuclei relative to the size of the cell; among these cells will be found cells displaying
stages of mitosis. Switch to the 40X objective to make closer observations. Since
prophase and prometaphase are difficult to distinguish, classify all these cells as
prophase. Record your observations in the table provided.
Examples are shown in the figure below.
Interphase
Early Prophase
Mid Prophase
10
Metaphase
Anaphase
Telophase
Exercises:
1.
Find and draw a cell showing each stage of mitosis.
Interphase
Prophase
Metaphase
Anaphase
Telophase
, 2.
What is a distinguishing visible feature of each stage of mitosis?
Interphase:
Prophase:
Metaphase:
Anaphase:
Telophase:
Many of the cells of the root meristem are not undergoing mitosis; rather they
Based upon the interpretations
3.
are in a stage called
21
Chapter 33 Solutions
Biology (MindTap Course List)
Ch. 33.1 - Prob. 1LOCh. 33.1 - Prob. 2LOCh. 33.1 - Describe the structure and functions of the...Ch. 33.1 - Describe the structure and functions of the dermal...Ch. 33.1 - Prob. 1CCh. 33.1 - Prob. 2CCh. 33.1 - How do parenchyma, collenchyma, and sclerenchyma...Ch. 33.1 - Prob. 4CCh. 33.1 - How are epidermis and periderm alike? How are they...Ch. 33.2 - Prob. 5LO
Ch. 33.2 - Prob. 6LOCh. 33.2 - Prob. 7LOCh. 33.2 - Prob. 1CCh. 33.2 - Prob. 2CCh. 33.2 - Prob. 3CCh. 33.3 - Distinguish between cell division and cell...Ch. 33.3 - Describe the relationship between cell...Ch. 33.3 - Explain why the model organism Arabidopsis is so...Ch. 33.3 - Which process typically occurs first, cell...Ch. 33.3 - Prob. 2CCh. 33.3 - What is the relationship between pattern formation...Ch. 33.3 - Why is Arabidopsis such a useful model organism...Ch. 33 - Prob. 1TYUCh. 33 - The cell walls of parenchyma cells (a) contain...Ch. 33 - Which tissue system provides a covering for the...Ch. 33 - The two simple tissues that are specialized for...Ch. 33 - Prob. 5TYUCh. 33 - Prob. 6TYUCh. 33 - Prob. 7TYUCh. 33 - Prob. 8TYUCh. 33 - Prob. 9TYUCh. 33 - Cell differentiation occurs through...Ch. 33 - The monopteros mutant (a) lacks a primary root (b)...Ch. 33 - Prob. 12TYUCh. 33 - VISUALIZE Sketch a roughly cuboidal cell preparing...Ch. 33 - Prob. 14TYUCh. 33 - A couple carved a heart with their initials into a...Ch. 33 - Prob. 16TYUCh. 33 - EVOLUTION LINK Flowering plants have both...Ch. 33 - SCIENCE, TECHNOLOGY, AND SOCIETY Why is knowledge...
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- DRAW and LABEL - Below are the four phases of Mitosis. Fill in the cellular contents that are visible in each phase. (Hint: chromosomes and attachments) May use either animal or plant for example. METAPHASE ANAPHASE TELOPHASE PROPHASEarrow_forwardANALYSIS:Read the following scenarios. Based from the information given, give the specific phase of the cell cycle being described (this includes the interphase, and phases under mitosis and meiosis). USE ONLY CAPITAL LETTERS IN ANSWERING. In the same diagram, Antony noted that there are pairs of homologous chromosomes that seems to be separating from one another but the sister chromatids remain attached at the centromere, moving as a single unit as the cell divides.arrow_forwardDraw a simple model of a cell shortly before centrosome duplication and draw a representationof the centrosome cycle through two rounds of the cell cycle (until you have 4 cells). In eachdivision note the plane where the contractile ring will bisect the spindle.arrow_forward
- Anaphase: The kinetochore microtubules that make up the spindle begin to shorten, separating the sister chromatids from one another and drawing each to opposite poles of the cell. Polar microtubules assist in this process as they begin to lengthen and push the poles farther from each other. Why is this separation of chromatids necessary?arrow_forwardDescribe the mitotic spindle. Include what it is made of, how it forms, and what its role is in cell division.arrow_forwardNeed help If the mitotic spindle does not correctly attach to chromosome kinetochores, the spindle assembly checkpoint will be activated. Select all correct outcomes for chromosomes not correctly attached to mitotic spindle A) centrosome duplication will not occur B) M cyclin will be degraded C) APC will be inhibited D) chromosomes will not segregate E) Mad2 will bind to unattached kinetochores F) mitosis will halt at metaphase/anaphase transitionarrow_forward
- TELOPHASE This stage shows the end of Telophase AFTER cytokinesis has occurred • Nuclear membrane reformed in each cell • Nucleolus reformed in each cell • Centrioles present in cells at one end Two new daughter cells with same # of chromosomes: 46 single stranded chromosomes in each nucleus Daughter Cell Diploid cell 2n = Daughter cell Diploid cell 2n =arrow_forwardDraw and label a picture of what a cell looks like during prophase. Draw and label a picture of what a cell looks like during metaphase. Draw and label a picture of what a cell looks like during anaphase. Draw and label a picture of what a cell looks like during telophase. Draw a picture of what a cell looks like during cytokinesis. Draw and label a picture of prophase I & II. Draw and label a picture of metaphase I & II.arrow_forwardGive typed full explanationarrow_forward
- For each of the following: ECM, CAMs and cell junctions, describe at least 2 specific examples of a developmental process that include molecules from the category as a component. Specify the molecule involved in each category (e.g. ECM: collagen, CAMs: cadherins, Cell junctions: desmosomes). Include images to illustrate the process. Category Developmental Process Image ECM 1 2 CAMs 1 2 Cell Junctions 1 2arrow_forwardCell Cycle: Mitosis The Cell Cycle and M Mitosis Worksheet The diagram below shows six cells in various phases of the cell cvcle. Note the cells are not arranged in the order in which mitosis occurs . Use the diagram to answer questions 1-5 Phases of the Cell Cycle A B How can you tell which diagram(s) is/are the end of the cell division? What are structures seen inside the nucleus? Are the cells depicted plant or animal cells? Explain your answer. 4. Use the diagram, at the bottom of your answer sheet, draw the phases/ stages of the cell cycle and arrange them in a correct sequence. 5. Why is mitosis important? Give at least 2 reasons. 37:09 / 38:01 5224arrow_forwardConsider the similarities and differences in the cell cycles (mitosis and meiosis) of plants and animals. Describe the Venn diagram in detail.arrow_forward
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