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2 DNA

3 Chromo…What?

4 Replication

5 The Cell Cycle

6 Nucleotides

7 Random Questions

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9 DNA is named after this sugar.

10 What is deoxyribose

11 DNA takes on this shape

12 What is the double helix?

13 The two strands of DNA are held together by these bonds

14 What are hydrogen bonds?

15 The amount of hydrogen bonds that form between adenine and thymine

16 What is 2?

17 The number of ring structures found in a purine

18 What is 2?

19 These coiled pieces of DNA can either be single or duplicated

20 What are chromosomes?

21 These pieces of DNA are identical copies of one another

22 What are sister chromatids?

23 The familiar x shaped chromosome that we see after replication

24 What is a duplicated chromosome or two sister chromatids?

25 The number of chromosomes commonly found in human cells

26 What is 46 or 23 pairs?

27 The chromosomal disorder caused by an extra 21 st chromosome

28 What is down syndrome?

29 This process doubles the amount of DNA

30 What is DNA replication?

31 This enzyme breaks hydrogen bonds to separate the two strands of DNA

32 What is DNA helicase

33 This enzyme produces the new strands of DNA by adding complementary nucleotides to the old strand

34 What is DNA polymerase?

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36 This is the amount of adenines in a strand of DNA with 89 thymine and 70 guanine

37 What is 89?

38 This is split in DNA replication while sister chromatids are split in mitosis

39 What are the two strands of DNA or a DNA molecule?

40 The sister chromatids are pulled apart in this step of the cell cycle

41 What is mitosis or anaphase?

42 DNA is replicated in this phase of the cell cycle

43 What is s-phase or interphase?

44 The number of duplicated chromosomes after DNA replication in a cell with 45 single chromosomes

45 What is 45?

46 The number of sister chromatids present in a cell with 30 duplicated chromosomes

47 What is 60?

48 The cell contains 15 single chromosomes before replication and this many in each cell after cell division is complete

49 What is 15?

50 The phosphate always bonds to this pentagonal shaped molecule

51 What is deoxyribose or sugar?

52 These are the bonds that hold together the backbone of DNA

53 What are covalent bonds?

54 These are the three parts of a nucleotide.

55 What are the sugar, phosphate, and nitrogen base?

56 This is the source of the nucleotides used in DNA replication

57 What is the food you eat?

58

59 Many nucleotides make up a strand of DNA, these small repeating sub-units are generally called this

60 What are monomers?

61 The reasons our cells need to divide

62 What is to heal and grow?

63 The scientist responsible for collecting data that led to the assumption that A pairs with T and C with G

64 Who is Chargaff?

65 The two scientists credited with describing the structure of DNA

66 Who are Watson and Crick?

67 Mitosis splits these identical copies of DNA

68 What are sister chromatids?

69 This gender is defined by an X and Y chromosome

70 What is male?

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