Cell Cycle Mitosis Meiosis Jeopardy Cell Cycle Mitosis
- Slides: 51
Cell Cycle, Mitosis & Meiosis Jeopardy Cell Cycle Mitosis Meiosis Regulating Cell Cycle Misc. Q $100 Q $100 Q $200 Q $200 Q $300 Q $300 Q $400 Q $400 Q $500 Q $500
$100 Question What is the 1 st phase of the cell cycle? What is the name of its 1 st sub-stage?
$100 Answer Interphase, G 1
$200 Question ____ are X-shaped structures that carry genetic information in the form of genes
$200 Answer Chromosomes
$300 Question What is the last phase of the cell cycle? Describe what happens during this phase
$300 Answer Cytokinesis Cytoplasm divides, splits apart to form 2 cells
$400 Question What is the 1 st phase of the cell cycle? What is the name of its 2 nd sub-stage? What happens during this sub-stage?
$400 Answer Interphase, S, DNA replication
$500 Question ____ is the “silly string” material that tightly winds together to make up chromosomes. It consists of protein, RNA, and DNA
$500 Answer Chromatin
$100 Question st 1 What is the phase of Mitosis? Use the pipe cleaners to model it
$100 Answer Prophase Chromatin coils, shortens, and thickens into chromosomes Nuclear membrane starts to disappear
$200 Question nd 2 What is the phase of Mitosis? Use the pipe cleaners to model it
$200 Answer Metaphase Chromosomes line up in middle of cell, along equator, perpendicular to spindle fibers
$300 Question rd 3 What is the phase of Mitosis? Use the pipe cleaners to model it
$300 Answer Anaphase Chromatids split apart, moving to opposite ends of cell
$400 Question th 4 What is the phase of Mitosis? Use the pipe cleaners to model it
$400 Answer Telophase Chromosomes form in opposite ends of the cells; membranes form around each end
$500 Question How many cells result in the end of Mitosis? Are they genetically different, or identical? What about in Meiosis?
$500 Answer 2, identical 4, genetically different
$100 Question The type of cell division that makes sex cells is called ______ The type of cell division that makes body cells is called _____
$100 Answer Meiosis Mitosis
$200 Question Why is meiosis called a “reduction division”, and why is it important?
$200 Answer Meiosis is called reduction division because it reduces # of chromosomes in half This is why sex cells (n+n) combine in fertilization to make 2 n
$300 Question Define fertilization
$300 Answer When two sex cells combine to make an embryo
$400 Question How is sexual reproduction an advantage to a species? Explain
$400 Answer Genetic variability; allows for different organisms in species to adapt to changes
$500 Question What is crossing over? When does it occur? Come draw it on the board
$500 Answer piece of one chromosome is exchanged with piece of another (during Prophase I)
$100 Question ____ is a disease that causes cells to divide repeatedly and uncontrollably, with no ability to stop at checkpoints
$100 Answer Cancer. Cells overcrowd normal cells, stopping their normal function and killing the organism
$200 Question What is a carcinogen? Name one, and explain how it can be avoided
$200 Answer Chemicals/substances that can cause cancer UV rays Artificial preservatives X-ray radiation Tobacco
$300 Question Why is it more likely for older people to develop cancer?
$300 Answer Higher risk of mutations over time
$400 Question What would happen if the checkpoint for the S phase did not work correctly? (Instead of turning green when the CDK combines with the cyclin, it is always green) How would this affect the cell cycle?
$400 Answer
$500 Question • Timing and rate of cell cycle controlled by 2 substances: _______: proteins _______: enzymes that bind to protein
$500 Answer Cyclins CDKs
$100 Question If a bird has 20 chromosomes in its sex cells (gametes) then how many will it have in its body (somatic) cells?
$100 Answer 40
$200 Question Why is it beneficial for cells to be small?
$200 Answer Small SA/V ratio, so it’s more efficient for nutrients to enter and wastes to leave
$300 Question Describe the difference between asexual and sexual reproduction
$300 Answer Sexual Asexual • 2 parents • Single parent • Offspringgenetically different from identical to parents – variation parent • Involves sex cells • No sex cells
$400 Question Explain why you do not look identical to your parents
$400 Answer Crossing over causes you to have a combination of your mother’s genes and your father’s genes
$500 Question What are homologous chromosomes?
$500 Answer One chromosome from each pair came from mother, other from father. Code for the same type of traits, but don’t have the exact same information
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- Phases of cell cycle
- Write difference between mitosis and meiosis
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- Division de nucleo
- Mitosis y meiosis diferencias
- Diferencias entre mitosis y meiosis
- Mitosis meiosis animation
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- Characteristics of mitosis and meiosis
- Haploid chromosome
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- Prophase and prophase 1 difference
- Conclusion of mitosis and meiosis
- Mitosis and meiosis venn diagram
- Chromosomes in organisms
- Cuadro comparativo de la meiosis y la mitosis
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- Tabla comparativa entre mitosis y meiosis
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- Crossing over meiosis
- Anaphase meaning
- Interfase
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- Semejanzas de la mitosis y la meiosis
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