3 CELL REPRODUCTION INB ACTIVITIES dirty gerdy smelly mellie gnllc Eukaryotic & Prokaryotic Cell Division Teacher Notes/Answer Key Eukaryotic and Prokaryotic Cell Division © 2015 Getting Nerdy, LLC Eukaryote: - Complex process - Involves many chromosomes and crossing over - Can be asexual or sexual (offspring are unique to parents) - Undergo mitosis: DNA/organelle replication during Interphase, Prophase, Metaphase, Anaphase, Telophase, & cytokinesis. - Uses meiosis to make sex cells, egg and sperm Both: -part of the life cycle of virtually all cells -Occurs when new cells are needed -DNA is replicated -one cell (the parent cell) divides to form two new cells (daughter cells) -Can be asexual Prokaryote: - Simple process - Involves one chromosome. - Asexual reproduction: Offspring are identical to parent cell - Undergo binary fission: DNA replication, chromosome segregation, cell separation. - Or conjugation: the transfer of genetic material (the plasmid) via direct contact or a bridge like connection. dirty gerdy smelly mellie gnllc Directions: Cut out and glue the diagrams into your notebook. Cut along the three vertical lines to split the picture in thirds. Fold the tabs back along the dashed line Underneath the flaps, describe the similarities and differences between eukaryotic and prokaryotic cell division. © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Eukaryotic Cell Division Both Prokaryotic Cell Division Glue Cell Division Sheet Here Apply glue behind this tab and place in notebook Cell Division in Eukaryotes vs. Prokaryotes dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC Mitosis Card Sort Teacher Notes/Key dirty gerdy smelly mellie gnllc Directions: Create enough copies of the card sort to use in small groups or as individuals. Print on cardstock, cut and laminate if you plan on using them year after year with groups. If not, have students cut out the cards on the following pages and the card sort pocket. Fold the pocket along the dashed lines and glue into notebook to hold the cards. Arrange the picture and description cards appropriately to show the process of cell division through mitosis. Some stages of mitosis may have more than one picture card. If necessary, remove some of the cards representing prophase and metaphase to avoid confusion and have one card per phase. Use the card sort as a warm-up activity as you walk them through the processes or use as test prep as students RACE to get their equations in order! This card sort activity comes in two sizes – use the larger size with groups, smaller size for individuals or partners. © 2015 Getting Nerdy, LLC Mitosis Card Sort Teacher Notes/Key dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC Mitosis Card Sort Teacher Notes/Key Interphase: Cell’s resting phase. Cell spends 90% of its time in this phase. Cell copies/doubles its chromosomes and prepares for cell division (mitosis) Prophase: Mitosis begins during prophase. Nucleolus and Nuclear membrane disappear. Centrioles (or poles) appear and move to opposite ends of cell. Spindle fibers begin to stretch across the cell (like spider webs). Chromosome pairs or sister chromatids become visible (attached to one another by a centromere) dirty gerdy smelly mellie gnllc Metaphase: Chromosome pairs line up at the equator (center of the cell). Spindle fibers attach to the chromosomes at the centromere. THINK: Meet in the “middle” Anaphase: Chromosome pairs (sister chromatids) separate and move to opposite ends of the cell Telophase: Two new nuclei form. Chromosomes change to chromatin (threads rather than rods). Mitosis ends Cytokinesis: Cytoplasm separates and two new cells are formed. Different in plants (cell wall forms down the center) and animals (cell membrane pinches in). © 2015 Getting Nerdy, LLC dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC Different in plants (cell wall forms down the center) and animals (cell membrane pinches in). Cytoplasm separates and two new cells are formed. Mitosis ends Chromosomes change to chromatin (threads rather than rods) Two new nuclei form © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Interphase Cell copies/doubles its chromosomes and prepares for cell division (mitosis) Cell spends 90% of its time in this phase Cell’s resting phase Chromosome pairs (sister chromatids) separate and move to opposite ends of the cell Telophase THINK: Meet in the middle Spindle fibers attach the chromosomes at the centromere. Chromosome pairs line up at the equator (center of the cell) dirty gerdy smelly mellie gnllc Chromosome pairs or sister chromatids become visible (attached to one another by a centromere) Spindle fibers begin to stretch across the cell (like spider webs). Centrioles (or poles) appear and move to opposite ends of cell Mitosis begins: Nucleolus and Nuclear membrane disappear © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Metaphase Cytokinesis Anaphase Fold along dashed line and apply glue to this tab Prophase © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Mitosis Card Sort Fold along dashed line and apply glue to this tab © 2015 Getting Nerdy, LLC Fold along dashed line and apply glue to this tab dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Cytoplasm separates and two new cells are formed. Different in plants (cell wall forms down the center) and animals (cell membrane pinches in). dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Two new nuclei form Chromosomes change to chromatin (threads rather than rods) Mitosis ends © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Chromosome pairs line up at the equator (center of the cell) Chromosome pairs (sister chromatids) separate and move to opposite ends of the cell Spindle fibers attach to the chromosomes at the centromere. THINK: Meet in the middle dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Mitosis begins: Nucleolus and Nuclear membrane disappear Cell’s resting phase Centrioles (or poles) appear and move to opposite ends of cell Cell spends 90% of its time in this phase Spindle fibers begin to stretch across the cell (like spider webs). Chromosome pairs or sister chromatids become visible (attached to one another by a centromere) © 2015 Getting Nerdy, LLC Cell copies/doubles its chromosomes and prepares for cell division (mitosis) © 2015 Getting Nerdy, LLC Cell Division & the Interphase Stages of Mitosis dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Prophase Metaphase © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Anaphase Telophase dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Cytokinesis © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Mitosis Cut and Paste Teacher Notes/Key dirty gerdy smelly mellie gnllc Directions: Students will cut out the INB sheet on the left of their page and glue it into their INB or on top of the notes page provided. Students will glue stages of mitosis pictures in the correct order and then describe what is happening during each stage of mitosis underneath their page. Interphase: Cell’s resting phase. Cell spends 90% of its time in this phase. Cell copies/doubles its chromosomes and prepares for cell division (mitosis) Prophase: Mitosis begins during prophase. Nucleolus and Nuclear membrane disappear. Centrioles (or poles) appear and move to opposite ends of cell. Spindle fibers begin to stretch across the cell (like spider webs). Chromosome pairs become visible (attached to one another by a centromere) Metaphase: Chromosome pairs line up at the equator (center of the cell). Chromosomes attach to the spindle fibers at the centromere. THINK: Meet in the middle Anaphase: Chromosome pairs separate and move to opposite ends of the cell Telophase: Two new nuclei form. Chromosomes change to chromatin (threads rather than rods). Mitosis ends. Cytokinesis: Cytoplasm separates and two new cells are formed. Different in plants (cell wall forms down the center) and animals © 2015 Getting Nerdy, LLC (cell membrane pinches in). Mitosis Apply glue behind this tab and place in notebook or place over Notes sheet 1 2 3 © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC 4 5 dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC 6 © 2015 Getting Nerdy, LLC © 2015 Getting Nerdy, LLC Glue Mitosis Sheet Here Glue Mitosis Sheet on top of this tab 1. _________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 2. _________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 3. _________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 4. _________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 5. _________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 6. _________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ dirty gerdy smelly mellie gnllc © 2015 Getting Nerdy, LLC Directions: Cut out the INB sheet to the left and glue it into your INB. Cut out the Mitosis sheet on the previous page and glue it on top of the notes page already in your INB. Glue the stages of mitosis pictures in the correct order and then describe what is happening during each stage of mitosis on the page underneath.
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