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Let’s Get Cheeky •Biology Lab 10/5/10 Objectives • To prepare stained slides of cheek cells and onion cells • To observe and identify microscopic structures of the cells • To examine prepared slides of bacteria • To identify differences between prokaryotic and eukaryotic cells. Procedure • Prokaryotic prepared slides • Eukaryotic wet mounts Results • Draw pictures of the cells under low power and high power. • Label magnification • Label structures of the cell Conclusions • Why is methylene blue necessary for the cheek cells? • The light microscope used in lab is not powerful enough to view all organelles in the cells. What parts of the cheek cell were visible? The onion cell? • List the differences. Why are there different parts in the cheek cell and onion cell? • Using your text as a reference, list the function of the organelles you see in the cheek and onion cells. Conclusions continued • Compare and contrast prokaryotic and eukaryotic cells. Summary