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- All changes saved 1. Match each phase of mitosis with the event that happens during that phase. 1. metaphase a. chromosomes align along the middle of the cell b. sister chromatids are pulled to opposite ends of the cell 2. telophase c. chromosomes start to unravel and spindle fibers disappear 3. prophase d. spindle fibers begin to attach to kinetochores of each chromosome 4. anaphaseMODEL 1: M-phase checkpoint G2 checkpoint 1. Consider each of the cells described below and predict at which stage of the cell cycle (G1, S, G2, M, or GO) they are currently in Mitosis A newly generated daughter cell G1 A cell that is actively using DNA polymerase A cell with fully condensed chromosomes A mature, functioning neuron (Hint: It will never divide again) G, checkpoint A cell with uncondensed, replicated chromosomes DNA SynthesisCell Cyle and Checkpoints Story Make a creative short story about the phases of cell cycle and its checkpoints. Highlight each function of the checkpoints and the characteristics of the cell during the different stages of the cycle.
- Learn / My courses / tcmshssub194 / MODULE 2: Mitosis ( EXERCISE Answer the following. 1. Make a reflective essay on: a. the importance of cell division b. why must the cell cycle be carefully controlled?Anaphase 26. Identify the stages of mitosis in the pictures: prophase Metaphase 27. What type of cell is pictured: Plant or animal? animal 28. What happens if mitosis is not controlled? Cancer Cancer Telophase 2 5 Cytokinesis 29. Describe how checkpoints control the cell cycle. What normally happens to a cell if the cell does not pass a normal cell cycle control? 30. Describe 3 types of genes, if mutated, result in cancer. proto-oncogenes tumor suppressor genes cell fate gener 31. Describe how cancer cells differ from normal cells. bellen beng 32. Describe various causes of cancer. Carcinogens - occelerates cell division ②Mutagens - domage DNA ③Age- 33. Describe various treatments for cancer. Also list possible side effects. Chemotherapy Surgery Radiation 34. What is a mitotic index? What does it measure? mitotic indey to diagnise Hairloss concer and grade tumors 35. Predicting what the mitotic index would be for these cells: a. cardiac (heart) cells low high b. cells of root tips low…is gec •Foo little cell death 13. In some types of colon cancer, stem cells have a mutation in the APC gene. What happens if the APC gene is bioc mutated? If the APC is mutated it prevents chromatids From gene SO being pulled apart. ir 14. Normally, proto-oncogenes stimulate the cell cycle. What are oncogenes and how do they affect the cell cycle?Oncogeres are mutated They lead to UnConHOlEd cell division. pe protoonoogenes. To cause cancer, proto-oncogenes require r considered om allele(s) to be mutated and therefore are _of function. a. The mutation results in a 15. Normally, tumor suppressor genes inhibit the cell cycle. How do mutated tumor suppressor genes affect the cell cycle? allele(s) to be mutated and therefore are of function. a. To cause cancer, tumor suppressor genes require The mutation results in a considered C Why is it imporont to Study Cancer? It is imp
- Need answer of 4,5,6. Shortly plz 4.If the most basic function of the cell cycle is to duplicate accurately the DNA in the chromosomes and then distribute the copies precisely to the daughter cells, why are there gaps between S phase and M phase? 5. Describe the molecular mechanism of a CDK activation. 6. What is the cyclin-CDK complex in the M phase of the cell cycle?B. Sequence the following events based on when they happen in the cell, starting from the interphase. Write A for the earliest event a nd UNDERSTAND for the latest. 1. G2 phase 2. G1 phase 3. Metaphase 4. Anaphase 5. Cytokinesis 6. Telophase 7. Metaphase checkpoint 8. G1 checkpoint 9. G2 checkpoint 10. ProphaseWire Models for Cell Division 1. Mitosis Label the chromosomes at metaphase. Identify the types of chromosomes in the genome. Give the chromosome number (in proper format) and chromosome composition of the cell.
- 10 Use the drop-down menus to complete the statements. A cell can be differentiated replaced during mitosis. Chromosomes are separated replicated during interphase and become separated replicated during mitosis. The cell divides in two during mitosis interphase cytokinesis , resulting in daughter cells that are separated replicated the parent cell. identical to different fromCell 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 5224Ith the description: Homologous chromosomes line up in pairs along the metaphase plate. 1. Telophase II followed by cytokinesis Crossing over occurs between homologous chromosomes. 2. Metaphase I 3. Anaphase I| Four haploid, genetically unique cells are formed. 4. Prophase I Homologous chromosomes are separated. 5. Anaphase I Sister chromatids are separated. >