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1 2 Chromosome Structure 3 Chromosome Number 4 Prokaryotic Cell Division.

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Presentation on theme: "1 2 Chromosome Structure 3 Chromosome Number 4 Prokaryotic Cell Division."— Presentation transcript:

1

2 1

3 2 Chromosome Structure

4 3 Chromosome Number

5 4 Prokaryotic Cell Division

6 5 Eukaryotic Cell Division

7 6 Cell Cycle

8 7 Cytokinesis

9 8 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Chromosome Structure Chromosome Number Prokaryotic Cell Division Eukaryotic Cell Division Cell Cycle Cytokinesis

10 9 This molecule makes up Chromosomes

11 10 What is DNA?

12 11 Eukaryotic DNA coils around these proteins

13 12 What are Histones?

14 13 Six billion pairs of these make up DNA (monomer)

15 14 What are nucleotides?

16 15 Control activity of cell

17 16 What is the nucleus?

18 17 Identical halves of a chromosome

19 18 What are sister chromatids?

20 19 Chromosome number found in human somatic cells

21 20 What is 46?

22 21 Last two possible chromosomes on a karyotype

23 22 What is XX or XY (sex chromosomes)?

24 23 Human egg and sperm with only 23 chromosomes have this chromosome number

25 24 What is 1n or haploid?

26 25 All the chromosomes in an organism except X and Y

27 26 What are autosomes?

28 27 Number of copies of each autosome found in the body cell of an organism

29 28 What is two?

30 29 Example of a common prokaryote

31 30 What are bacteria?

32 31 Characteristic that groups all Prokaryotes together

33 32 What is no nucleus & no membrane- bound organelles?

34 33 How long it takes for a typical bacterial cell to reproduce

35 34 What is twenty minutes?

36 35

37 36 Division of prokaryotic cells is called this

38 37 What is binary fission?

39 38 Comparison of daughter cells formed when a bacterial cell divides

40 39 What is identical?

41 40 Organelle in eukaryotes where DNA is found

42 41 What is the nucleus?

43 42 Division of body cells is called this

44 43 What is mitosis?

45 44 Cell division that occurs in the ovaries & testes

46 45 What is Meiosis?

47 46 Most common type of reproduction used by unicellular eukaryotes

48 47 What is mitosis?

49 48 Fastest method of reproduction in eukaryotes

50 49 What is mitosis?

51 50 The longest phase of the cell cycle

52 51 What is interphase?

53 52 Shortest phase of the cell cycle

54 53 What is cytokinesis?

55 54 Phase of the cell cycle in which the nucleus divides

56 55 What is mitosis?

57 56 Phase of the cell cycle when DNA is copied

58 57 What is the S phase?

59 58 Phase where cells exit the cell cycle and don’t divide or copy DNA

60 59 What is the G o phase?

61 60 This part of a cell undergoes division

62 61 What is cytokinesis?

63 62 Cytokinesis begins during this mitotic stage

64 63 What is telophase?

65 64 This forms and divides animal cells

66 65 What is a cleavage furrow?

67 66 This forms and divides plant cells

68 67 What is a cell plate?

69 68 The amount of organelles a cell has immediately following cytokinesis

70 69 What is one-half?

71 70

72 71

73 72 Mitotic Spindle

74 73 Division of Body Cells

75 74 Prefixes and Suffixes

76 75 Meiosis I

77 76 Meiosis II

78 77 Gametogenesis

79 78 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 Mitotic Spindle Division of Body Cells Prefixes & Suffixes Meiosis I Meiosis II Gametogenesis

80 79 Mitotic phase in which the spindle begins to form

81 80 What is prophase?

82 81 Pair of cylindrical bodies in animal cells that forms the spindle

83 82 What are centrioles?

84 83 Spindle fibers are made of these structures found in the cytoplasm

85 84 What are microtubules?

86 85 Spindle fibers that attach to the centromere of a chromosome pair

87 86 What are kinetochore fibers?

88 87 Spindle fibers that extend completely across a dividing cell

89 88 What are polar fibers?

90 89 Another name for body cells

91 90 What are somatic cells?

92 91 Chromosome number found in human body cells

93 92 What is 46 or 2n?

94 93 Type of reproduction used by body cells

95 94 What is asexual?

96 95 Two examples of cells in humans that aren’t called “body cells”

97 96 What are eggs & sperm?

98 97 Type of cell in the body that does not undergo cell division

99 98 What are nerve cells?

100 99 Prefix meaning two

101 100 What is di-?

102 101 Suffix meaning cell

103 102 What is –cyte?

104 103 Prefix meaning middle

105 104 What is meta-?

106 105 Prefix meaning the same

107 106 What is homo-?

108 107 Prefix meaning egg

109 108 What is oo-?

110 109 Phase in which DNA coils into chromosomes

111 110 What is Prophase I?

112 111 Two structures that disassemble at the beginning of Meiosis I

113 112 What is the nucleolus & nuclear envelope?

114 113 The pairing of homologous chromosomes

115 114 What is synapsis?

116 115 Number of chromosomes in a tetrad

117 116 What is four?

118 117

119 118 Exchange of genes that occurs during Meiosis I

120 119 What is crossing- over?

121 120 This process occurs before Meiosis I, but Not before Meiosis II

122 121 What is copying DNA?

123 122 Spindle fibers reform in this phase

124 123 What is Prophase II?

125 124 Chromosomes are found here during Metaphase I

126 125 What is the equator?

127 126 Organs in which Meiosis occurs

128 127 What are the testes and ovaries?

129 128

130 129 Chromosome number of cells at the end of Meiosis II

131 130 What is 1n or haploid?

132 131 Another name for reproductive cells such as the egg & sperm

133 132 What are gametes?

134 133 Production of sperm cells

135 134 What is spermatogenesis?

136 135 Number of sperm cells formed during Gametogenesis

137 136 What is four?

138 137 These small cells degenerate during oogenesis

139 138 What are polar bodies?

140 139 Chromosome number found in a human spermatid

141 140 What is 1n = 23?

142 141 Chromosomes with identical size, shape, & traits, but different alleles

143 142 What are Homologs?


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