Download Chapter 5 - Moore Public Schools

Name________________________________________Date __________________Hour_____Table_____ Chapter 5 Lesson 1-­‐ General Lesson Outline Directions: Use the words below to fill in the outline of the text from lesson one. If the word is used more than once, it is followed by the number of times it is used in parentheses. anaphase cell cycle cell division cell plate centromere chromatin cytokinesis (2) daughter cells (2) develop DNA furrow G1 G2 interphase (2) metaphase mitosis mitotic multicellular organelles prophase replication reproduces S sister chromatids telophase A. The Cell Cycle
1. Most cells in an organism go through a cycle of growth, development, and division called the __________________________. 2. Because of the cell cycle, organisms grow and __________________________, replace old or damaged cells, and produce new cells. B. Phases of the Cell Cycle 1. There are two main phases of the cell cycle—interphase and the __________________________ phase. 2. __________________________ is the period of growth and development for a cell. 3. During interphase, most cells go through three stages—rapid growth and __________________________ of the organelles; replication of __________________________, the genetic information in a cell; and preparation for __________________________. 4. During the mitotic phase, a cell __________________________. Name________________________________________Date __________________Hour_____Table_____ C. Length of a Cell Cycle 1. __________________________ makes up most of the cell cycle. 2. During interphase, the DNA in the cell is called __________________________. D. Phases of Interphase 1. Interphase begins with a period of rapid growth—the __________________________ stage. 2. During the __________________________ stage of interphase, the cell replicates its strands of chromatin. 3. __________________________ are the two identical strands of DNA that make up the duplicated chromosome. 4. The sister chromatids are held together by a structure called the __________________________. 5. The final stage of interphase—the __________________________ stage—is a period of growth and final preparation for mitosis. E. Organelle Replication 1. Before a cell divides, it makes copies of all its __________________________. 2. In __________________________, the nucleus and its contents divide. 3. In __________________________, the cytoplasm and its contents divide. 4. Two new __________________________ result from mitosis and cytokinesis. Name________________________________________Date __________________Hour_____Table_____ F. Phases of Mitosis 1. During __________________________, duplicated DNA condenses into chromosomes. 2. During __________________________, the chromosomes line up in the middle of the cell. 3. During __________________________, sister chromatids in each duplicated chromosome separate and are pulled in opposite directions by the spindle fibers. 4. During __________________________, chromosomes begin to uncoil, and two new identical nuclei form. G. Dividing the Cell’s Components 1. After mitosis, __________________________ usually divides a cell’s cytoplasm, forming a new cell membrane around each daughter cell. 2. In animal cells, a(n) __________________________ in the middle of the cells gets deeper until the cell membrane comes together to divide the cell. 3. In plant cells, a(n) __________________________grows outward toward a new cell wall until two new cells form. H. Results of Cell Division 1. The cell cycle results in two new __________________________that are genetically identical to each other and to the original cell, which no longer exists. 2. The cell cycle is important for reproduction in some organisms, growth in __________________________ organisms, replacement of worn-­‐out or damaged cells, and repair of damaged tissues. Name________________________________________Date __________________Hour_____Table_____ Directions: On each line, write the term from the word bank that correctly replaces the underlined words in each sentence. NOTE: You may change a term to its plural form. cell cycle centromere cytokinesis daughter cells eukaryotic interphase mitosis sister chromatids ________________________1. At the end of the cell cycle, the division of the cell’s nucleus occurs. ________________________2. Until the sister chromatids in each duplicated chromosome separate during mitosis, they are held together by a special structure. ________________________3. A chromosome is made up of two identical coiled strands of DNA. ________________________4. Following mitosis, the division of the cell’s cytoplasm occurs. ________________________5. Most cells go through a cyclical processes of growth, development, and division. ________________________6. The cell cycle can be divided into two main phases— a period of growth and development and the mitotic phase. ________________________7. Mitosis and cytokinesis result in the formation of two identical new cells. ________________________8. For some cells, identified as those with membrane-­‐bound structures, the cell cycle might take as long as one year. Directions: On the line before each definition, write the letter of the term that matches it correctly. __________ 9. the copied organelles are distributed between two cells before this occurs __________ 10. duplicated chromosomes align along the middle of the cell __________ 11. two new identical nuclei are formed __________ 12. the cell begins to get longer __________ 13. result of cell division in one-­‐celled organisms __________ 14. condenses the DNA strands in a chromosome
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metaphase telophase cell division prophase asexual reproduction F. anaphase Name________________________________________Date __________________Hour_____Table_____ Chapter 5 Lesson 2-­‐ General Directions: On the line before each definition, write the letter of the term that matches it correctly. _________ 1. a cell that can become many different cell types A. cell differentiation B. stem cell _________ 2. a group of similar cells that work together to carry C. tissue out a specific task or job D. organ _________ 3. a group of different organs that work together to E. organ system F. organism complete a series of tasks _________ 4. the process by which cells becomes different types of cells _________ 5. a group of organ systems that carry out all the jobs needed for their survival _________ 6. a group of different tissues working together to perform a particular job Directions: Circle the term in parentheses that correctly completes each sentence. 7. Cells work together in a ( multicellular / unicellular ) organism. 8. A cell in a ( multicellular / unicellular ) organism must carry out all the activities that are necessary to survive. 9. Different types of cells in a multicellular organism have ( different / same ) chromosomes. 10. Multicellular organisms are ( eukaryotes / prokaryotes ). Directions: On the line before each number, Label the statements about unicellular organisms with a U and those about multicellular organisms with an M. __________11. These organisms consist of cells. __________12. Each cell must carry out all life processes. __________13. Cells are specialized and perform specific functions. __________14. These organisms can be prokaryotes or eukaryotes. __________15. These organisms are always eukaryotes. __________16. Cells in these organisms differentiate. __________17. These organisms have stem cells. __________18. These organisms have tissues. Name________________________________________Date __________________Hour_____Table_____ Directions: Use the cut and paste Levels of Organization sheet to line up the items so that each level matches what it is, has a picture example, and has the correct description. Once you have them order, glue them into the correct boxes below. LEVEL
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