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Transcript
Name: ______________________________________ Date: ________________________ Student Exploration: Cell Structure Color, draw, and label a bacteria cell (page 64 in Life Science Book) Label: cell wall, DNA, cell membrane, and flagellum Color the DNA red, the cell wall black, the cell membrane yellow a. Define prokaryotes: __________________________________________________________ ______________________________________________________________________________ Give examples:__________________________________________________________________ b. Define eukaryotes: ____________________________________________________________ _______________________________________________________________________________ Give examples:__________________________________________________________________ Name_______________________________________ CELL STRUCTURE GIZMO Get the Gizmo ready: Activity A: Animal cells Check that an Animal cell is mounted on the microscope. Check that the Zoom is set to 2000x. Question: Organelles are specialized structures that perform various functions in the cell. What are the functions of the organelles in an animal cell? 1. Label: Locate each organelle in the animal cell. Label the organelles in the diagram below. 2. Match: Read about each organelle. Then match each organelle to its function/description. ____ Cytoplasm A. Structure that organizes motion of chromosomes. ____ Lysosome B. Stack of membranes that packages chemicals. ____ Mitochondria C. Membrane that protects the nucleus. ____ Centriole D. Membrane that surrounds and protects the cell. ____ Endoplasmic reticulum E. Sac filled with digestive chemicals. ____ Vacuole F. Structures that converts nutrients to energy. ____ Cell membrane G. Surrounds cell membrane in plant cell, protects and supports plant cell ____ Nucleus ____ Ribosome ____ Nuclear membrane ____ Golgi apparatus ____ Vesicle ____ Nucleolus ____ Cell Wall H. Passageways where chemicals are made. I. Jelly-like substance within the plasma membrane. J. Structure that manufactures ribosomes. K. Structure that contains DNA and directs the cell. L. Package created by the Golgi apparatus. M. Small structure that synthesizes proteins. N. Sac that stores water, nutrients, or waste products. Name_______________________________________ CELL STRUCTURE GIZMO Activity B: Plant cells Get the Gizmo ready: Select the PLANT CELL tab, and click Sample. Set the Zoom to 2000x. Question: What functions do the organelles in a plant cell perform? 1. Label: Locate each organelle in the plant cell. Label the organelles in the diagram below. 2. Compare: What structures are present in an animal cell, but not in a plant cell? __________ _________________________________________________________________________ What structures are present in a plant cell, but not in an animal cell? __________________ _________________________________________________________________________ 3. Fill in: Name the organelle or organelles that perform each of the following functions. A. _____________________ convert sunlight to chemical energy. B. The _____________________ and the _____________________ help to support the plant cell and help it to maintain its shape. C. The _________________is very large in a plant cell, but very small in an animal cell. D. The _____________________ converts food into energy. It is found in both plant cells and animal cells.