1 Chromosome Structure 2 Chromosome Number 3 Prokaryotic Cell Division 4 Eukaryotic Cell Division 5 Cell Cycle 6 Cytokinesis 7 Chromosome Chromosome Prokaryotic Cell Number Structure Division Eukaryotic Cell Division $100 $100 $100 $100 $200 $200 $200 $200 $300 $300 $300 Cell Cycle Cytokinesis $100 $100 $200 $200 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500 8 This molecule makes up Chromosomes 9 What is DNA? 10 Eukaryotic DNA coils around these proteins 11 What are Histones? 12 Six billion pairs of these make up DNA 13 What are nucleotides? 14 Control activity of specific areas of DNA 15 What are Nonhistone proteins? 16 Identical halves of a chromosome 17 What are sister chromatids? 18 Chromosome number found in human somatic cells 19 What is 46? 20 Last two possible chromosomes on a karyotype 21 What is XX or XY (sex chromosomes)? 22 Human egg and sperm with only 23 chromosomes have this chromosome number 23 What is 1n or haploid? 24 All the chromosomes in an organism except X and Y 25 What are autosomes? 26 Number of copies of each autosome found in the body cell of an organism 27 What is two? 28 Example of a common prokaryote 29 What are bacteria? 30 Characteristic that groups all Prokaryotes together 31 What is no nucleus & no membranebound organelles? 32 Type of reproduction used by bacteria 33 What is asexual? 34 35 Division of prokaryotic cells is called this 36 What is binary fission? 37 Comparison of daughter cells formed when a bacterial cell divides 38 What is identical? 39 Organelle in eukaryotes where DNA is found 40 What is the nucleus? 41 Division of body cells is called this 42 What is mitosis? 43 Cell division that occurs in the ovaries & testes 44 What is Meiosis? 45 Most common type of reproduction used by unicellular eukaryotes 46 What is mitosis? 47 Fastest method of reproduction in eukaryotes 48 What is mitosis? 49 The longest phase of the cell cycle 50 What is interphase? 51 Shortest phase of the cell cycle 52 What is cytokinesis? 53 Phase of the cell cycle in which the nucleus divides 54 What is mitosis? 55 Phase of the cell cycle when DNA is copied 56 What is the S phase? 57 Phase where cells exit the cell cycle and don’t divide or copy DNA 58 What is the Go phase? 59 This part of a cell undergoes division 60 What is cytokinesis? 61 Cytokinesis begins during this mitotic stage 62 What is telophase? 63 This forms and divides animal cells 64 What is a cleavage furrow? 65 This forms and divides plant cells 66 What is a cell plate? 67 The amount of organelles a cell has immediately following cytokinesis 68 What is one-half? 69 70 71 Mitotic Spindle 72 Division of Body Cells 73 Prefixes and Suffixes 74 Meiosis I 75 Meiosis II 76 Gametogenesis 77 Mitotic Spindle Division of Body Cells Prefixes & Suffixes Meiosis I $200 $200 $200 $200 $400 $400 $400 $400 $600 $600 $600 Meiosis II Gametogenesis $200 $200 $400 $400 $600 $600 $600 $800 $800 $800 $800 $800 $800 $1000 $1000 $1000 $1000 $1000 $1000 78 Mitotic phase in which the spindle begins to form 79 What is prophase? 80 Pair of cylindrical bodies in animal cells that forms the spindle 81 What are centrioles? 82 Spindle fibers are made of these structures found in the cytoplasm 83 What are microtubules? 84 Spindle fibers that attach to the centromere of a chromosome pair 85 What are kinetochore fibers? 86 Spindle fibers that extend completely across a dividing cell 87 What are polar fibers? 88 Another name for body cells 89 What are somatic cells? 90 Chromosome number found in human body cells 91 What is 46 or 2n? 92 Type of reproduction used by body cells 93 What is asexual? 94 Two examples of cells in humans that aren’t called “body cells” 95 What are eggs & sperm? 96 Type of cell in the body that does not undergo cell division 97 What are nerve cells? 98 Prefix meaning two 99 What is di-? 100 Suffix meaning cell 101 What is –cyte? 102 Prefix meaning middle 103 What is meta-? 104 Prefix meaning the same 105 What is homo-? 106 Prefix meaning egg 107 What is oo-? 108 Phase in which DNA coils into chromosomes 109 What is Prophase I? 110 Two structures that disassemble at the beginning of Meiosis I 111 What is the nucleolus & nuclear envelope? 112 The pairing of homologous chromosomes 113 What is synapsis? 114 Number of chromosomes in a tetrad 115 What is four? 116 117 Exchange of genes that occurs during Meiosis I 118 What is crossingover? 119 This process occurs before Meiosis I, but Not before Meiosis II 120 What is copying DNA? 121 Spindle fibers reform in this phase 122 What is Prophase II? 123 Chromosomes are found here during Metaphase I 124 What is the equator? 125 Organs in which Meiosis occurs 126 What are the testes and ovaries? 127 128 Chromosome number of cells at the end of Meiosis II 129 What is 1n or haploid? 130 Another name for reproductive cells such as the egg & sperm 131 What are gametes? 132 Production of sperm cells 133 What is spermatogenesis? 134 Number of sperm cells formed during Gametogenesis 135 What is four? 136 These small cells degenerate during oogenesis 137 What are polar bodies? 138 Chromosome number found in a human spermatid 139 What is 1n = 23? 140 Chromosomes with identical size, shape, & traits, but different alleles 141 What are Homologs? 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