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- Cancer Cell Cycle Describe the cell cycle is affect and support the saying “Cancer is the cell cycle disease” using the terms belowCheck pointsApoptosisMitosisFeedback FailureArtificially induced apoptosis (controlled cellular death) is found to be an effective treat- ment for some forms of cancer. Which of the following describes the most likely mechanism by which apoptosis might be induced? A B с D by causing ribosomes to increase the rate of protein synthesis by triggering the division of mitochondria in the cell to increase ATP production by increasing the expression of membrane-bound glucose protein channels by causing lysosomes to release digestive enzymes into the cytosolFighting Cancer by Disrupting Mitosis Scientists have identified a number of toxins that disrupt mitosis. These toxins can be used in many different ways – some of them are used during scientific research to arrest the cell cycle at specific points so that the cells can be studied. Others have clinical applications as chemotherapeutic drugs that are useful in the treatment of cancer, as well as other types of disease. Study the list of toxins below, and use the information provided and your understanding of mitosis to answer the questions below. Note: some of these drugs are currently approved for clinical use, while others are still in development. For the purposes of this exercise, assume that all of them are available for use. Drug How it affects mitosis Status of drug Vincristine Prevents polymerization of tubulin Approved Paclitaxel Prevents depolymerization of tubulin and can result in multipolar spindle formation Approved Flavopiridol Blocks Cdk-1. Cdk-1 is a kinase that helps…
- Which of the following describes the most likely property of cancer cells, other than un- controllable division? A inability of chromosomes to align during the metaphase B с D alteration of the cell cycle sequence inability to undergo apoptosis inability to form spindle fibersCell growth and division occurin a regular cycle. This cycle is divided into four phases: G1, S, G2, and M. The diagram sh ows this cycle, alongwith events that occur in each phase. Follow the prompts below. v Color the phase in which most cell growth occurs BLUE v Color the phase in which DNA replication occurs RED. v Color the phase in which preparation for mitosis G2 occurs in YELLOW. v Color the phase in which mitosis and cytokinesis occur in GREEN. 4. Which three phases make upinterphase? GI M 5. Which of the following best describes cancer? Circle the correct answer. uncontrolled cell growth cells stop growing 6. If a dog has 72 chromosomes in a SOMATIC cell, how many chromosomes will its daughter cells have after meiosis_? mitosis_? P.Match the following terms with the correct description Go phase A. During this phase, the cell divides into two identical cells. G, phase B. During this phase, the cell grows In size and synthesizes MRNA Gz phase C. This phase directly precedes mitosis. s phase D. This phase can be percelved as a moment in time in which the cell is nelther dividing nor preparing to divide. M phase E. DNA Is replicated during this phase.
- sequence. Name each stage of mitosis, A to E. Each answer choice only once. used once and Picture A Metaphase [Choose ] Metaphase Anaphase Prometaphase Telophase Prophase Telophase Picture B Picture C Picture D Anaphase Picture El PromctaphaseDiscuss the complete cell cycle in a human cell, mitosis and meiosis, and the regulatory components (i.e. the proteins associated with cellular checkpoints) of the cell cycle. Tumor growth results when the cell cycle checkpoints are ignored. Give an example of how tumor growth could result from either a loss-of-function or a gain-of-function mutation.of my celle chose are wels smaller than normal. According to Model 1, what part(e) of the cell cycle is (ere) ou likely being affected? Some cancerus me 7. In Model 1, if the length of the arrow represents time, then for those cancerous cells, what hap pens to the time that is necessary for the cell cycle? What implication might this have for doctors who are treating cancer patients? Why? Living things must grow and develop. At times they suffer injuries or damage, or cells simply wear out. New cells must be formed for the organism to survive. What process must occur to make a new, properly- functioning cell? Model 1 - Mitosis as Part of the Cell Cycle Prophase Metaphase Anaphase Mitosis How do living things grow and repair themselves! Replicated chromosome (2 sister chromatids) 0000 * Centriole Spindle fibers Nuclear membrane Telophase 1. Refer to Model 1. List the four phases in the mitosis process. 2. Where is mitosis in the cell cycle? Before 3. What three phases of the cell cycle…
- In your own words, explain how cancer cells differ from normal cells in regard to the following: Molecular controls of the cell cycle (include Cdk and Cdk/cyclin complexes, p53 gene/protein, Rb gene/protein in response)Q/Choose between parentheses 1-the cell cycle included three phases are........ * (interphase,Mitosis,Cytokinesis/ Mitosis, interphase, cytokinesis/ cytokinesis , interphase , Mitosis/ interphase ,prophase, cytokinesis, metaphase) 2-What the name of structure is plays a significant role in the internal organization of the cell by synthesizing selective molecules and processing, directing and sorting them to their appropriate locations. * (Endoplasmic Reticulum/Mitochondria/Golgi bodies/ Rough Endoplasmic Reticulum) 3-cell membrane formed of .................phospholipid * (bilipid layer/one lipid layer/ tri lipid layer/four lipid layer)The cell cycle is typically thought of as having four stages. Describe the stages of the cell cycle and identify the mechanism(s) involved in progressing or not progressing through the stages with reference to proteins and signalling processes involved. Please keep brief - 10 sentences/dot points max.
