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Name ______________________________________ Period ___________ Pre-AP Biology Cell Specialization Lab Background: A multi-cellular organism is composed of many cells that work together. Multicellularity enables cells to develop a specialized form and function. For example, flat, stacked cells like the cells of your epidermis, are good for protection. Procedure: In this lab, you will rotate lab stations. Each station will have a numbered microscope containing a different cell. Each cell you observe has a specialized shape to perform a specific function. View each slide carefully and make detailed notes. Data: For each cell: Include a drawing of each cell. Describe the structures and characteristics of the cell. Using the cell description for each cell, predict the possible function of the cell. Using the following possible cell types given by your teacher. Predict the cell at each station. Questions: What is meant by “cell specialization”? What is the function of ciliated cells in the lungs? How is a nerve cell adapted to perform signaling functions? Describe the levels of organization of multicellular organisms? **Put your data and the answers to the questions in your notebook** After you have completed your lab, show your work to your teacher. Name ______________________________________ Period ___________ Typical Animal Cell No cell wall, visible nucleus, round shape Can do many functions No cell wall, bi-concave, no nucleus Carries oxygen in blood No cell wall, long and thin, visible nucleus Cells contract together to move skeleton of animal No cell wall, columnar shape Layers of cells on the surface, acts as a barrier No cell wall, has dendrites and long, thin axon Makes connections with other neurons, muscle cells and sensory cells No cell wall, has flagella Delivers genetic material to egg Blood Cell Muscle Cell Epithelial Cell Neuron Sperm Cell Pre-AP Biology Name ______________________________________ Period ___________ Typical Plant Cell Cell wall, chloroplasts, visible nucleus Can do many functions Cell wall, many cells undergoing mitosis Absorbs water and minerals, grows down into soil, secures plant in soil Long, thin extensions Absorb water by osmosis Cells forming tubes carry water, minerals and nutrients Xylem carries water and up the plant; phloem carries sugar from source to sink Cell wall, many chloroplasts Specialized for photosynthesis Root Cells Root Hairs Stem Cells Leaf Cells Pre-AP Biology