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Name___________________ Class______________ Date________ Chapter 2: Cell Division and Reproduction Review Sheet 2.1 Cell Division True or False Write true if the statement is true or false if the statement is false. 1. __________ A eukaryotic cell generally spends most of its lifetime in the mitotic phase. 2. __________ The mitotic phase includes mitosis and cytokinesis. 3. __________ The cell cycle is more complicated in prokaryotic than eukaryotic cells. 4. __________ In mitosis, new nuclear membranes form during metaphase. 5. __________ The first phase of mitosis is anaphase. 6. __________ Mitosis occurs only in eukaryotic cells. 7. __________ Sister chromatids are two identical copies of the same chromosome. Multiple Choice Circle the letter of the correct choice. 1. The smaller, repeating molecules that make up a DNA molecule are called a. amino acids. b. fatty acids. c. deoxyriboses. d. nucleotides. 2. The two strands of DNA are held together by chemical bonds between the a. sugars. b. phosphates. c. nitrogen bases. d. none of the above 3. After DNA is copied, each new DNA molecule contains a. two new strands. b. two original strands. c. one new strand and one original strand. d. two original strands and one new strand. 4. Which organisms have circular chromosomes? a. plants b. protists c. animals d. bacteria 5. Which of the following is an example of a complementary base pair in DNA? a. adenine and guanine b. cytosine and thymine c. adenine and cytosine d. cytosine and guanine 6. In prokaryotes, cell division occurs by a. mitosis. b. mitotic division. c. binary fission. d. cell replication. 7. What is the first step in the division of both prokaryotic and eukaryotic cells? a. mitosis b. interphase c. cytokinesis d. DNA replication Fill in the Blank Fill in the blank with the appropriate term. 1. All of the stages that a cell goes through in its lifetime make up the cell ________________. 2. _________________ refers to the division of the nucleus of a eukaryotic cell. 3. The process in which DNA is copied is called DNA_________________. 4. A(n)_________________ is a structure that consists of DNA and protein molecules coiled into a definite shape. 5. In a DNA molecule, the nitrogen base adenine always bonds with the nitrogen base_________________. 6. Each nucleotide in a nucleic acid includes a phosphate, a nitrogen base, and a(n) _________________. 7. When a cell divides, the two new cells that form are called _________________ cells. Matching Match each definition with the correct term. Terms a. telophase e. mitotic phase b. prophase f. metaphase c. cytokinesis g. anaphase d. interphase Definitions 1. ______ phase of the cell cycle in which the cytoplasm splits apart and the cell pinches in two 2. _____stage of mitosis in which chromosomes form and the nuclear membrane breaks down 3. _______ stage of mitosis in which chromosomes uncoil and spindle fibers break down 4. _______phase of the cell cycle in which a eukaryotic cell divides 5. _____ stage of mitosis in which spindle fibers attach to the centromeres of sister chromatids 6. ______ phase of the cell cycle in which the cell grows, DNA replicates, and the cell prepares to divide 7. ______ stage of mitosis in which sister chromatids move toward opposite poles of the cell 2.2 Reproduction True or False Write true if the statement is true or false if the statement is false. 1. __________ Crossing over occurs during meiosis. 2. __________ Mitosis is followed by cytokinesis. 3. __________ Bacteria reproduce by binary fission. 4. __________ Independent assortment occurs during meiosis. 5. __________ A new sea star can form from a single arm. 6. __________ Sexual reproduction can occur more quickly than asexual reproduction. 7. __________ Fertilization results in a haploid zygote. Multiple Choice 1. Asexual reproduction a. is simpler than sexual reproduction. b. occurs only in prokaryotes. c. includes the union of gametes. 2. The diploid number of chromosomes in a species is always a. half the haploid number. b. twice the haploid number. c. 46. 3. How many chromosomes does a human individual normally inherit from each parent? a. 23 b. 46 c. the diploid number 4. Methods of asexual reproduction include all of the following except a. budding. b. fertilization. c. fragmentation. d. binary fission. 5. How does genetic variation arise during sexual reproduction? a. crossing over b. random union of gametes c. independent assortment d. all of the above Fill in the Blank 1. Reproduction that involves just one parent is called _________________ reproduction. 2. The diploid number in human beings is_________________. 3. Gametes produced by a female parent are called _________________. 4. The two members of a given pair of chromosomes are called_____________ chromosomes. 5. The initial cell that forms when two gametes unit is called a(n)_________________. 6. _________________are gametes produced by a male parent. Matching Terms a. meiosis e. binary fission b. fragmentation f. fertilization c. diploid number g. haploid number d. budding Definitions 1. __________ type of asexual reproduction that occurs in yeasts 2. __________ process in which two gametes unite to form a single cell 3. __________ type of cell division that produces two identical daughter cells 4. __________ type of cell division that produces four gametes 5. __________ number of chromosomes in a gamete 6. __________ type of asexual reproduction that occurs in sea stars 7. __________ number of chromosomes in a normal body cell Label: Study Guide for Chapter 2: Cell Division and Reproduction Terms to know: Parent cell Cytokinesis Daughter cell Cell Plate DNA Cleavage furrow Complementary base pairs Asexual reproduction Chromosome Fragmentation DNA replication Budding Binary Fission Gametes Chromatids Egg Centromere Sperm Interphase Fertilization Growth Phase 1 (G1) Zygote Synthesis Phase (S) Haploid number Growth Phase 2 (G2) Diploid number Mitosis Homologous chromosomes Prophase Meiosis Metaphase Crossing over Anaphase Independent assortment Telophase Random union Diagrams to know: Structure of DNA Cell Cycle Mitosis