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Chromosome Structure. Chromosome Structure Chromosome Number.

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Presentation on theme: "Chromosome Structure. Chromosome Structure Chromosome Number."— Presentation transcript:

1

2 Chromosome Structure

3 Chromosome Number

4 Prokaryotic Cell Division

5 Eukaryotic Cell Division

6 Cell Cycle

7 Cytokinesis

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

9 This molecule makes up Chromosomes

10 What is DNA?

11 Eukaryotic DNA coils around these proteins

12 What are Histones?

13 Six billion pairs of these make up DNA

14 What are nucleotides?

15 Control activity of specific areas of DNA

16 What are Nonhistone proteins?

17 Identical halves of a chromosome

18 What are sister chromatids?

19 Chromosome number found in human somatic cells

20 What is 46?

21 Last two possible chromosomes on a karyotype

22 What is XX or XY (sex chromosomes)?

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

24 What is 1n or haploid?

25 All the chromosomes in an organism except X and Y

26 What are autosomes?

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

28 What is two?

29 Example of a common prokaryote

30 What are bacteria?

31 Characteristic that groups all Prokaryotes together

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

33 Type of reproduction used by bacteria

34 What is asexual?

35 Daily Double!!

36 Division of prokaryotic cells is called this

37 What is binary fission?

38 Comparison of daughter cells formed when a bacterial cell divides

39 What is identical?

40 Organelle in eukaryotes where DNA is found

41 What is the nucleus?

42 Division of body cells is called this

43 What is mitosis?

44 Cell division that occurs in the ovaries & testes

45 What is Meiosis?

46 Most common type of reproduction used by unicellular eukaryotes

47 What is mitosis?

48 Fastest method of reproduction in eukaryotes

49 What is mitosis?

50 The longest phase of the cell cycle

51 What is interphase?

52 Shortest phase of the cell cycle

53 What is cytokinesis?

54 Phase of the cell cycle in which the nucleus divides

55 What is mitosis?

56 Phase of the cell cycle when DNA is copied

57 What is the S phase?

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

59 What is the Go phase?

60 This part of a cell undergoes division

61 What is cytokinesis?

62 Cytokinesis begins during this mitotic stage

63 What is telophase?

64 This forms and divides animal cells

65 What is a cleavage furrow?

66 This forms and divides plant cells

67 What is a cell plate?

68 The amount of organelles a cell has immediately following cytokinesis

69 What is one-half?

70 Double Jeopardy!!

71

72 Mitotic Spindle

73 Organelles and their functions

74 Metabolism

75 Meiosis I

76 Meiosis II

77 Membrane structure and function

78 ORGANELLES AND THEIR FUNCTIONS
METABOLISM Mitotic Spindle ORGANELLES AND THEIR FUNCTIONS Meiosis II Meiosis I MEMBRANE STRUCTURE & FXN $200 $200 $200 $200 $200 $200 $400 $400 $400 $400 $400 $400 $600 $600 $600 $600 $600 $600 $800 $800 $800 $800 $800 $800 $1000 $1000 $1000 $1000 $1000 $1000

79 Mitotic phase in which the spindle begins to form

80 What is prophase?

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

82 What are centrioles?

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

84 What are microtubules?

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

86 What are kinetochore fibers?

87 Spindle fibers that extend completely across a dividing cell

88 What are polar fibers?

89 Situated just outside the plasma membrane, this structure is composed of glycoproteins secreted by the cell.

90 What is the Extracellular Matrix

91 Provide channels between adjacent animal cells through which ions, sugars, and other small molecules can pass.

92 What are Gap junctions?

93 Channels that perforate adjacent plant cell walls and allow the passage of some molecules from cell to cell.

94 What are plasmodesmata?

95 Single membrane-bound compartments in the cell responsible for various metabolic functions that involve the transfer of hydrogen from compounds to oxygen, producing Hydrogen peroxide.

96 What are peroxisomes?

97 These fibers make up the cytoskeleton:

98 What are Microtubules, Microfilaments, and intermediate filaments?

99 The totality of an organism’s chemical reactions, managing the material and energy resources to the cell.

100 What is metabolism?

101 Two pathways involved in metabolism, one leads to the release of energy by the breakdown of complex molecules to simpler compounds. The second pathway consumes energy to build complicated molecules from simpler ones.

102 What are catabolic, and anabolic pathways?

103 The reactant that the enzyme acts on.

104 What is the substrate?

105 Reversible inhibitors tat compete with the substrate for the active site on an enzyme.

106 What are competitive inhibitors?

107 The energy that is available to perform work when the temperature of a system is uniform.

108 What is free energy?

109 Phase in which DNA coils into chromosomes

110 What is Prophase I?

111 Two structures that disassemble at the beginning of Meiosis I

112 What is the nucleolus & nuclear envelope?

113 The pairing of homologous chromosomes

114 What is synapsis?

115 Number of chromosomes in a tetrad

116 What is four?

117 Daily Double!!

118 Exchange of genes that occurs during Meiosis I

119 What is crossing-over?

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

121 What is copying DNA?

122 Spindle fibers reform in this phase

123 What is Prophase II?

124 Chromosomes are found here during Metaphase I

125 What is the equator?

126 Organs in which Meiosis occurs

127 What are the testes and ovaries?

128 Daily Double!!

129 Chromosome number of cells at the end of Meiosis II

130 What is 1n or haploid?

131 The process by which ions and hydrophilic substances diffuse across the cell membrane with the help of transport proteins.

132 What facilitated diffusion?

133 In passive diffusion, a substance travels from where it is more concentrated to where it is less concentrated along this gradient.

134 What is the concentration gradient?

135 This type of solution will cause the cell to lose water to its surroundings.

136 What is Hypertonic?

137 An ATP pump that transports a specific solute indirectly, and drives the active transport of other substances.

138 What is cotransport?

139 When a cell wraps pseudopodia around a solid particle and brings it into the cell.

140 What is phagocytosis?

141 Final Jeopardy Certain substances bind to specific receptors on the cell’s surface, and this causes a vesicle to form around the substance and then to pinch off into the cytoplasm.

142 What is Receptor-mediated endocytosis?


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