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Cell Reproduction Part 1 1. What class of cells is reproduced during mitosis? Germ cells Somatic cells Gametes Haploid cells.

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Presentation on theme: "Cell Reproduction Part 1 1. What class of cells is reproduced during mitosis? Germ cells Somatic cells Gametes Haploid cells."— Presentation transcript:

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2 Cell Reproduction Part 1

3 1. What class of cells is reproduced during mitosis? Germ cells Somatic cells Gametes Haploid cells

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6 2. Activated M-phase-promoting factor (MPF) signals entry into which of the following mitotic cell cycle phases? G1 M phase S phase G2

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9 3. One cell that undergoes meiosis will yield how many independent cells?

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12 4. What is the name of the junction that joins chromosomes during genetic re-assortment? Kinetochore Chiasma Metaphase plate Crossover region

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15 5. One round of mitosis leads to an entirely new individual in which type of organism? Human Single-cellular Snail Multi-cellular

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18 6. Degradation of G1 cyclins leads to entry into which of the following mitotic cell cycle phases? M phase S phase G2 G1

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21 7. In meiosis, the chiasma plays a similar role to which structure in mitosis? Mitotic spindle Centromere centrosome microtubule

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24 8. The mitotic phase during which a cell actually physically divides into two is called which of the following? prophase Cytokinesis metaphase anaphase

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27 9. Which of the following meiotic phases is the longest? Telophase 2 Prophase 1 Anaphase 2 Metaphase 1

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30 10. What class of cells are reproduced during meiosis? Cancerous cells Germ cells Somatic cells Diploid cells

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33 11. Cellular reproduction is involved in all of the following processes except which? Sexual reproduction Protein degradation Cell maintenance Development

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36 12. Which mitotic phase directly follows G1 of interphase? Anaphase Prophase Metaphase Cytokinesis

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39 13. During which meiotic phase are sister chromatids separated? Anaphase 1 Anaphase 2 Metaphase 2 Metaphase 1

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42 14. Chromosomes are composed of what biological molecule? Adenosine monophosphate Deoxyribonucleic acid (DNA) Deoxyribonucleic acid (DNA) Adenosine triphosphate Carbohydrates

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45 15. The two major phases of the cell cycle are which of the following? M phase and S phase M phase and interphase G1 and G2 Prophase 1 and prophase 2

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48 16. Which of the following is not characteristic of a cell in mitotic prophase? Intact nucleus Metaphase plate Rearranged cytoskeleton Condensed chromosomes

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51 17. The number of distinct chromosomes in a cell is its _________ number Single Haploid Chiasma Diploid

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54 18. Which class of microtubules is responsible for capturing chromosomes during mitosis? Astral Kinetochore Polar Radial

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57 19. Interphase and M phase can be best summed up by which of the following pairs of words? Degradation and synthesis Copying and cleaving Synthesizing and copying Separating and cleaving

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60 20. During which meiotic phase are maternal homologous pairs separated from paternal homologous pairs? Anaphase 2 Anaphase 1 Metaphase 2 Metaphase 1

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63 21. What is the major event that marks a cell's entrance into mitotic prometaphase? Separation of sister chromatids Disassembly of nuclear envelope Cell division Metaphase plate formation

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66 22. The number of homologous pairs in a cell is called its _________ number. Hapolid Diploid Chiasma Single

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69 23. Which phase of the cell cycle directly follows M phase? S phase G2 G1 G0

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72 24. What major event marks a cell's entry into mitotic metaphase? Separation of sister chromatids Metaphase plate formation Disassembly of nuclear envelope Chromosome condensation

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75 25. A cell with a haploid number of 20 has which of the following dipliod numbers?

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