Cell Reproduction Part 2 26. Which of the following is not monitored in G2 phase? Cell size Alignment on the metaphase plate Cellular environment DNA.

Cell Reproduction Part 2

26. Which of the following is not monitored in G2 phase? Cell size Alignment on the metaphase plate Cellular environment DNA replication

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27. Deactivation of M-phase-promoting factor signals entry into which of the following mitotic phases? Prophase Anaphase Metaphase Prometaphase

28. A cell with a diploid number of 20 has which of the following haploid numbers? 80 10 40 2 2

29. During which of the following cell cycle phases does DNA replication take place? M phase S phase G1 G2

30. During which sub-phase of mitotic anaphase do centrosomes separate? Anaphase D Anaphase B Anaphase C Anaphase A

31. A somatic cell has a haploid number of 10. What is its diploid number after DNA replication? 80 40 20 10

32. Which of the following is not a stage of mitotic interphase? G1 M phase S phase G2

33. During which sub-phase of mitotic anaphase do chromosomes separate? Anaphase B Anaphase A Anaphase C Anaphase D

34. What is the typical duration of a normal, fast-dividing, mammalian cell cycle? 1 hour 24 hours 10 hours 1 year

35. The human haploid number is which of the following? 30 23 10 46

36. Which of the following events takes place during mitotic telophase? Disassembly of nuclear envelope Reassembly of nuclear envelope Metaphase plate formation Cell division

37. In extremely fast dividing cells, which of the following phases of the cell cycle is likely to be decreased or eliminated? Interphase G1 M phase S phase

38. How many homologous pairs are present in a cell with a diploid number of 40? 40 10 5 5 20

39. Which class of microtubules disappears during mitotic telophase? Astral Kinetochore Polar Radial

40. Which of the following is typically the longest phase of the cell cycle? M phase G1 G2 S phase

41. A somatic cell has a haploid number of 10. After mitosis, what is the haploid number of each of the resulting cells ? 5 5 10 20 40

42. Which class of microtubule elongates during mitotic telophase? Astral Polar Kinetochore Radial

43. Which of the following phases usually contains the highest concentration of DNA per cell? G1 G2 M phase S phase

44. Germ cells give rise to what class of cell? Mitotic Gamete Somatic Meiotic

45. Which of the following is not a component of the contractile ring? Actin Cyclin Myosin Tubulin

46. During which phase do mitotic cyclins accumulate in the cell cycle? S phase G2 M phase G1

47. A somatic cell has a haploid number of 20. After DNA replication, how many pairs of sister chromatids are in the cell? 5 5 20 40 10

48. Which of the following is not a type of cell that results from meiotic cellular reproduction? Germ cell Gamete Diploid Haploid

49. The activation of cyclin-dependent protein kinases by G1 cyclins signals entry into which mitotic cell cycle phase? M phase S phase G2 G1

50. During which phase of meiosis does genetic re-assortment take place? Prometaphase 1 Prophase 1 Metaphase 1 Anaphase 1

http://www.biology.arizona.edu/cell_bio/tutorials/cell_cycle/cells3.html

Cell Reproduction Part 2 26. Which of the following is not monitored in G2 phase? Cell size Alignment on the metaphase plate Cellular environment DNA.

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Cell Reproduction Part 2 26. Which of the following is not monitored in G2 phase? Cell size Alignment on the metaphase plate Cellular environment DNA.

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Presentation on theme: "Cell Reproduction Part 2 26. Which of the following is not monitored in G2 phase? Cell size Alignment on the metaphase plate Cellular environment DNA."— Presentation transcript:

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