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- The mitotic spindles arise from which cell structure? centromere centroscme kinetochore cleavage furrowWhat would happen if anaphase proceeded even though the sister chromatids were not properly attached to their respective microtubules and lined up at the metaphase plate?Read the discussion of the cell cycle, mitosis, and cytokinesis, pages 00-4to7.In the table below, describe briefly the major events of each part of the cell cycle. (You might want to turn the table sideways so you can write the long way in each box.) Interphase M phase (mitotic cell division) G1 G2 Mitosis Cytokinesis S Prophase | Metaphase Anaphase Telophase
- Belgy 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 early stage of the same phase of mitosis. What phase is it? 2) Which cell is in mg 3) Which cell rst phas sis? 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 animal cells? Explain your answer. 8) What is the longest phase of the cell cycle? 9) Why is mitosis important?Please answer the given question. Thank you. 1. Which cell is in the first phase of M phase (mitosis)?(Write the letter; 2 possible answers) 2. Are the cells depicted plant or animal cells? 3. What is the longest phase of the cell cycle? 4. At what stage are chromosomes duplicated?Match the term with the correct description. Nuclear membrane reforms Answer 1Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Chromosomes move to the middle of the cell Answer 2Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Sister chromatids move to opposite ends of the cell Answer 3Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Division of the cytoplasm Answer 4Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Period of growth to prepare for mitotic phase Answer 5Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase
- PLEASE ANSWER THE FOLLOWING QUESTIONS: 1. In figure 1 locate the mitotic zone or region of cell division. Next, identify mitotic stages visible in figure 2. Note down visible structural changes occurring at various stages of mitosis, namely: prophase (early and late) metaphase, anaphase (early and late) and telophase (early and late). 2. Point the specific mitotic stages that can be seen in the enlarged image of onion root tip cells undergoing cell division (figure 2). 3. Search for a diagrammatic illustration of the different stages of meiosis, examine/study carefully the changes occurring in each stage. Note how these stages assemble or differ from those of mitosis. 4. Then, summarize the structural changes occurring in each stage of mitosis and meiosis in a tabular form.Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occursAnswer these questions: 1. During what phase of the cell cycle does DNA replication occur? 2. During mitosis, at what phase do chromosomes first become visible? 3. During what 2 phases of mitosis are chromosomes each composed of two chromatids? 4. During what 2 phases of mitosis are chromosomes each composed of one chromatid? 5. How does cytokinesis differ in plants and animals? 6. What is the term used to refer to the "division of the cytoplasm"? 7. Are the two cells created from mitosis the genetically identical or different? 8. Write the stages of the cell's life cycle in order, starting with the stage immediately after cytokinesis.
- 12:51 2 of 4 ctive.org Click and Learn The Eukaryotic Cell Cycle and Cancer CHECK POINT Click on the purple section labeled "Cell Cycle Phases" as well as the words "Mitosis" and "Interphase" to read an overview of the cell cycle. You can also click on the various phases. 7. Cells go through periods of growth and division. Cell division occurs during 8. The rest of the cell cycle is called interphase, during which CHECK POINT 9. Fill in the details about what happens during the three phases of interphase labeled in the diagram. G2 M Mitosis Cell Cycle Phases www.Biolnteractive.org Cell Cycle Regulators and Cancer CHECK POINT G1 Interphase S CHECK POINT GO 10. In general, what is the purpose of a checkpoint in the cell cycle? Published February 2016 Page 1 of 4 Click and Learn The Eukaryotic Cell Cycle and Cancer bconline.broward.edu hhmi Biolnteractive STUDENT WORKSHEET E Published February 2016 Page 2 of 4 hhmi Biolnteractive STUDENT WORKSHEET11:51 B +$. ← MitosisAndMeiosis.docx AD B C D E F 2. In what stage were most of the onion root tip cells? Does this make sense? 4. What would happen if mitosis were uncontrolled? 3. As a cell grows, what happens to its surface area-to-volume ratio (hint: think of a balloon being blown up)? How does this ratio change with respect to cell division? 5. How accurate were your time predictions for each stage of the cell cycle? & ON 5G A A C 6. Discuss one observation you found interesting while looking at the onion root tip cells. Cell Cycle Division: Mitosis Beads Dia ר Dronhaco EXPERIMENT 2: FOLLOWING CHROMOSOMAL DNA MOVEMENT THROUGH MITOSIS PAGE 5/... OeScience Labs, 2016D. centromere QUESTION 8 Match the stages of mitotic cell division to the descriptions of those stages. v chromosomes attach to spindle fibers across the middle of the cell chromosomes are not yet duplicated so chromosomes only look like a line, only one pair of centrioles in cell A. Telophase cell membrane is pinching in forming a peanut-shaped cell, daughter v chromosomes reach the poles and new nuclear membranes are forming around them B. Late Interphase C. Early Interphase the nuclear membrane is breaking down, chromosomes are |condensing, centrioles are building microtubule "highways" (spindle fibers) D. Metaphase E. Anaphase chromosomes are duplicated so chromosomes look like an "X", two pairs of centrioles and double the amount of organelles fill the cell F. Prophase v cell is dividing into two identical cells G. Cytokinesis daughter chromosomes are beginning their migration to the poles on spindle fibers QUESTION 9 How do the two cells formed by a mitotic cell division compare…