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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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2 Cell Reproduction Part 2

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

4 INCORRECT!!! Try Again

5 CORRECT Next Question

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

7 INCORRECT!!! Try Again

8 CORRECT Next Question

9 28. A cell with a diploid number of 20 has which of the following haploid numbers?

10 INCORRECT!!! Try Again

11 CORRECT Next Question

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

13 INCORRECT!!! Try Again

14 CORRECT Next Question

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

16 INCORRECT!!! Try Again

17 CORRECT Next Question

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

19 INCORRECT!!! Try Again

20 CORRECT Next Question

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

22 INCORRECT!!! Try Again

23 CORRECT Next Question

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

25 INCORRECT!!! Try Again

26 CORRECT Next Question

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

28 INCORRECT!!! Try Again

29 CORRECT Next Question

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

31 INCORRECT!!! Try Again

32 CORRECT Next Question

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

34 INCORRECT!!! Try Again

35 CORRECT Next Question

36 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

37 INCORRECT!!! Try Again

38 CORRECT Next Question

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

40 INCORRECT!!! Try Again

41 CORRECT Next Question

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

43 INCORRECT!!! Try Again

44 CORRECT Next Question

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

46 INCORRECT!!! Try Again

47 CORRECT Next Question

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

49 INCORRECT!!! Try Again

50 CORRECT Next Question

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

52 INCORRECT!!! Try Again

53 CORRECT Next Question

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

55 INCORRECT!!! Try Again

56 CORRECT Next Question

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

58 INCORRECT!!! Try Again

59 CORRECT Next Question

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

61 INCORRECT!!! Try Again

62 CORRECT Next Question

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

64 INCORRECT!!! Try Again

65 CORRECT Next Question

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

67 INCORRECT!!! Try Again

68 CORRECT Next Question

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

70 INCORRECT!!! Try Again

71 CORRECT Next Question

72 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

73 INCORRECT!!! Try Again

74 CORRECT Next Question

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

76 INCORRECT!!! Try Again

77 CORRECT Next Question

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