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Transcript
Life Science Name _________________________ Period___________ Cells Alive! The Web Quest You and a partner are about to embark on a journey through cyber space to take a closer look into the world of cells. Follow the instructions very carefully and answer the questions thoroughly. Good luck and have fun! Step #1 (10 points) Go To: http://www.cellsalive.com/toc_cellbio.htm Click on How Big Is A… Click Start the Animation Click forward through the animation and fill out the following table: Item Viewing Human Hair Magnification Dust Mite Ragweed Pollen Lymphocyte Red Blood Cells Baker’s Yeast E. Coli Staphylococcus Ebola Virus Rhinovirus Question #1: Where you surprised at how small some of the items were? Why or why not? Remember to use complete sentences. _________________________________________________________________________________________________ Step #2 (10 Points) Go back to: http://www.cellsalive.com/toc_cellbio.htm Click on Cell Models Click on Take Me to the Animation Click the Animal Cell Click on the following organelles and fill in the blank with the correct answer: 1. Nucleus - It is enclosed in a double membrane and _____________________________with the surrounding cytosol via numerous nuclear pores. 2. Cytosol - __________________________ is the collective term used for the cytosol plus the organelles suspended within the cytosol. 3. Centriole - Each centriole is a ring of nine groups of groups of fused ___________________________________. 4. Golgi – It is actually a stack of membrane-bound vesicles that are important in ______________________________macromolecules for transport elsewhere in the cell. 5. Cell Membrane – Every cell is enclosed in a membrane, a double layer of ____________________________________. 6. Mitochondrion – In short they are the _____________________ centers of the cell. 7. Vacuole – A vacuole is a membrane-bound sac that plays roles in intracellular _____________________________. 8. Smooth ER – The ER is a continuation of the outer ______________________ membrane. 9. Ribosomes – They are the site of ________________________ synthesis. 10. Cytoskeleton – As its name implies, the cytoskeleton helps to maintain cell _______________________________. Step #3 Go back to: http://www.cellsalive.com/toc_cellbio.htm Click on Cell Models Click on Take Me to the Animation Click the Plant Cell Question #2: What two organelles are present in the plant cell and were not in the animal cell? What are their functions? _________________________________________________________________________________________________ Step #4 Go back to: http://www.cellsalive.com/toc_cellbio.htm Click on Cell Models Click on Take Me to the Bacterial Cell Draw and label the parts of the bacterial cell structure. Next give a short description of the internal structures, external structures, and the appendages. Nucleoid Ribosomes Storage Granules Endospore Capsule Outer Membrane Cell Wall Periplasmic Space Plasma Membrane Pili Flagella Congratulations! Quest Complete